Essentials: Using Light to Optimize Health
2/26/202642 mintranscribing
0:00Welcome to Huberman Lab Essentials, where we revisit past episodes for the most potent and
0:00Welcome to Huberman Lab Essentials, where we revisit past episodes for the most potent and
0:00Welcome to Huberman Lab Essentials, where we revisit past episodes for the most potent and
0:00Welcome to Huberman Lab Essentials, where we revisit past episodes for the most potent and
0:00Welcome to Huberman Lab Essentials, where we revisit past episodes for the most potent and
0:00Welcome to Huberman Lab Essentials, where we revisit past episodes for the most potent and
0:05actionable science -based tools for mental health, physical health, and performance.
0:05actionable science -based tools for mental health, physical health, and performance.
0:05actionable science -based tools for mental health, physical health, and performance.
0:05actionable science -based tools for mental health, physical health, and performance.
0:05actionable science -based tools for mental health, physical health, and performance.
0:05actionable science -based tools for mental health, physical health, and performance.
0:11I'm Andrew Huberman, and I'm a professor of neurobiology and ophthalmology at Stanford School of
0:11I'm Andrew Huberman, and I'm a professor of neurobiology and ophthalmology at Stanford School of
0:11I'm Andrew Huberman, and I'm a professor of neurobiology and ophthalmology at Stanford School of
0:11I'm Andrew Huberman, and I'm a professor of neurobiology and ophthalmology at Stanford School of
0:11I'm Andrew Huberman, and I'm a professor of neurobiology and ophthalmology at Stanford School of
0:11I'm Andrew Huberman, and I'm a professor of neurobiology and ophthalmology at Stanford School of
0:16Medicine. Today, we are going to discuss light and the many powerful uses of light
0:16Medicine. Today, we are going to discuss light and the many powerful uses of light
0:16Medicine. Today, we are going to discuss light and the many powerful uses of light
0:16Medicine. Today, we are going to discuss light and the many powerful uses of light
0:16Medicine. Today, we are going to discuss light and the many powerful uses of light
0:16Medicine. Today, we are going to discuss light and the many powerful uses of light
0:21to optimize our health. One of the reasons why light has such powerful effects on
0:21to optimize our health. One of the reasons why light has such powerful effects on
0:21to optimize our health. One of the reasons why light has such powerful effects on
0:21to optimize our health. One of the reasons why light has such powerful effects on
0:21to optimize our health. One of the reasons why light has such powerful effects on
0:21to optimize our health. One of the reasons why light has such powerful effects on
0:26so many different aspects of our biology is that it can be translated into electrical
0:26so many different aspects of our biology is that it can be translated into electrical
0:26so many different aspects of our biology is that it can be translated into electrical
0:26so many different aspects of our biology is that it can be translated into electrical
0:26so many different aspects of our biology is that it can be translated into electrical
0:26so many different aspects of our biology is that it can be translated into electrical
0:31signals in our brain and body, into hormone signals in our brain and body, and
0:31signals in our brain and body, into hormone signals in our brain and body, and
0:31signals in our brain and body, into hormone signals in our brain and body, and
0:31signals in our brain and body, into hormone signals in our brain and body, and
0:31signals in our brain and body, into hormone signals in our brain and body, and
0:31signals in our brain and body, into hormone signals in our brain and body, and
0:36indeed into what we call cascades of biological pathways, meaning light can actually change the
0:36indeed into what we call cascades of biological pathways, meaning light can actually change the
0:36indeed into what we call cascades of biological pathways, meaning light can actually change the
0:36indeed into what we call cascades of biological pathways, meaning light can actually change the
0:36indeed into what we call cascades of biological pathways, meaning light can actually change the
0:36indeed into what we call cascades of biological pathways, meaning light can actually change the
0:42genes that the cells of your bodies express, and that is true throughout the lifespan.
0:42genes that the cells of your bodies express, and that is true throughout the lifespan.
0:42genes that the cells of your bodies express, and that is true throughout the lifespan.
0:42genes that the cells of your bodies express, and that is true throughout the lifespan.
0:42genes that the cells of your bodies express, and that is true throughout the lifespan.
0:42genes that the cells of your bodies express, and that is true throughout the lifespan.
0:47Light is electromagnetic energy. It can cause reactions in cells of your body.
0:47Light is electromagnetic energy. It can cause reactions in cells of your body.
0:47Light is electromagnetic energy. It can cause reactions in cells of your body.
0:47Light is electromagnetic energy. It can cause reactions in cells of your body.
0:47Light is electromagnetic energy. It can cause reactions in cells of your body.
0:47Light is electromagnetic energy. It can cause reactions in cells of your body.
0:53It can cause reactions in fruit, for instance, right?
0:53It can cause reactions in fruit, for instance, right?
0:53It can cause reactions in fruit, for instance, right?
0:53It can cause reactions in fruit, for instance, right?
0:53It can cause reactions in fruit, for instance, right?
0:53It can cause reactions in fruit, for instance, right?
0:56You see a piece of fruit and it's not ripe, but it gets a lot
0:56You see a piece of fruit and it's not ripe, but it gets a lot
0:56You see a piece of fruit and it's not ripe, but it gets a lot
0:56You see a piece of fruit and it's not ripe, but it gets a lot
0:56You see a piece of fruit and it's not ripe, but it gets a lot
0:56You see a piece of fruit and it's not ripe, but it gets a lot
0:59of sunlight and it ripens.
0:59of sunlight and it ripens.
0:59of sunlight and it ripens.
0:59of sunlight and it ripens.
0:59of sunlight and it ripens.
0:59of sunlight and it ripens.
1:00That's because the electromagnetic energy of sunlight had an impact on that plant or that
1:00That's because the electromagnetic energy of sunlight had an impact on that plant or that
1:00That's because the electromagnetic energy of sunlight had an impact on that plant or that
1:00That's because the electromagnetic energy of sunlight had an impact on that plant or that
1:00That's because the electromagnetic energy of sunlight had an impact on that plant or that
1:00That's because the electromagnetic energy of sunlight had an impact on that plant or that
1:06tree or even on the fruit directly.
1:06tree or even on the fruit directly.
1:06tree or even on the fruit directly.
1:06tree or even on the fruit directly.
1:06tree or even on the fruit directly.
1:06tree or even on the fruit directly.
1:08Now, the second thing that you need to understand about the physics of light is
1:08Now, the second thing that you need to understand about the physics of light is
1:08Now, the second thing that you need to understand about the physics of light is
1:08Now, the second thing that you need to understand about the physics of light is
1:08Now, the second thing that you need to understand about the physics of light is
1:08Now, the second thing that you need to understand about the physics of light is
1:12that light has many different wavelengths, and the simplest way to conceptualize this is to
1:12that light has many different wavelengths, and the simplest way to conceptualize this is to
1:12that light has many different wavelengths, and the simplest way to conceptualize this is to
1:12that light has many different wavelengths, and the simplest way to conceptualize this is to
1:12that light has many different wavelengths, and the simplest way to conceptualize this is to
1:12that light has many different wavelengths, and the simplest way to conceptualize this is to
1:16imagine that cover of that Pink Floyd album where there's a prism, you have a
1:16imagine that cover of that Pink Floyd album where there's a prism, you have a
1:16imagine that cover of that Pink Floyd album where there's a prism, you have a
1:16imagine that cover of that Pink Floyd album where there's a prism, you have a
1:16imagine that cover of that Pink Floyd album where there's a prism, you have a
1:16imagine that cover of that Pink Floyd album where there's a prism, you have a
1:20white beam of light going into that prism, and then the prism splits that beam
1:20white beam of light going into that prism, and then the prism splits that beam
1:20white beam of light going into that prism, and then the prism splits that beam
1:20white beam of light going into that prism, and then the prism splits that beam
1:20white beam of light going into that prism, and then the prism splits that beam
1:20white beam of light going into that prism, and then the prism splits that beam
1:24of light into what looks like a rainbow.
1:24of light into what looks like a rainbow.
1:24of light into what looks like a rainbow.
1:24of light into what looks like a rainbow.
1:24of light into what looks like a rainbow.
1:24of light into what looks like a rainbow.
1:26So you've got your reds, your orange, your greens, your blues, your purples, et cetera.
1:26So you've got your reds, your orange, your greens, your blues, your purples, et cetera.
1:26So you've got your reds, your orange, your greens, your blues, your purples, et cetera.
1:26So you've got your reds, your orange, your greens, your blues, your purples, et cetera.
1:26So you've got your reds, your orange, your greens, your blues, your purples, et cetera.
1:26So you've got your reds, your orange, your greens, your blues, your purples, et cetera.
1:30Now, the third bullet point to understand about the physics of light is that different
1:30Now, the third bullet point to understand about the physics of light is that different
1:30Now, the third bullet point to understand about the physics of light is that different
1:30Now, the third bullet point to understand about the physics of light is that different
1:30Now, the third bullet point to understand about the physics of light is that different
1:30Now, the third bullet point to understand about the physics of light is that different
1:34wavelengths of light, because of the way that their wave travels, can penetrate tissues to
1:34wavelengths of light, because of the way that their wave travels, can penetrate tissues to
1:34wavelengths of light, because of the way that their wave travels, can penetrate tissues to
1:34wavelengths of light, because of the way that their wave travels, can penetrate tissues to
1:34wavelengths of light, because of the way that their wave travels, can penetrate tissues to
1:34wavelengths of light, because of the way that their wave travels, can penetrate tissues to
1:41different depths. Every biological function of light has to do with the absorbance or the
1:41different depths. Every biological function of light has to do with the absorbance or the
1:41different depths. Every biological function of light has to do with the absorbance or the
1:41different depths. Every biological function of light has to do with the absorbance or the
1:41different depths. Every biological function of light has to do with the absorbance or the
1:41different depths. Every biological function of light has to do with the absorbance or the
1:48reflectance of light or light passing through that particular thing, meaning that particular cell or
1:48reflectance of light or light passing through that particular thing, meaning that particular cell or
1:48reflectance of light or light passing through that particular thing, meaning that particular cell or
1:48reflectance of light or light passing through that particular thing, meaning that particular cell or
1:48reflectance of light or light passing through that particular thing, meaning that particular cell or
1:48reflectance of light or light passing through that particular thing, meaning that particular cell or
1:55compartment within a cell. I'd like to make it clear how this works by using
1:55compartment within a cell. I'd like to make it clear how this works by using
1:55compartment within a cell. I'd like to make it clear how this works by using
1:55compartment within a cell. I'd like to make it clear how this works by using
1:55compartment within a cell. I'd like to make it clear how this works by using
1:55compartment within a cell. I'd like to make it clear how this works by using
1:59the three primary examples of how you take light in your environment and convert it
1:59the three primary examples of how you take light in your environment and convert it
1:59the three primary examples of how you take light in your environment and convert it
1:59the three primary examples of how you take light in your environment and convert it
1:59the three primary examples of how you take light in your environment and convert it
1:59the three primary examples of how you take light in your environment and convert it
2:05into biological events. We have photoreceptors in the back.
2:05into biological events. We have photoreceptors in the back.
2:05into biological events. We have photoreceptors in the back.
2:05into biological events. We have photoreceptors in the back.
2:05into biological events. We have photoreceptors in the back.
2:05into biological events. We have photoreceptors in the back.
2:09of our eyes. These photoreceptors come in two major types, the so -called rods and
2:09of our eyes. These photoreceptors come in two major types, the so -called rods and
2:09of our eyes. These photoreceptors come in two major types, the so -called rods and
2:09of our eyes. These photoreceptors come in two major types, the so -called rods and
2:09of our eyes. These photoreceptors come in two major types, the so -called rods and
2:09of our eyes. These photoreceptors come in two major types, the so -called rods and
2:14the cones. The rods are very elongated, they look like rods, and the cones look
2:14the cones. The rods are very elongated, they look like rods, and the cones look
2:14the cones. The rods are very elongated, they look like rods, and the cones look
2:14the cones. The rods are very elongated, they look like rods, and the cones look
2:14the cones. The rods are very elongated, they look like rods, and the cones look
2:14the cones. The rods are very elongated, they look like rods, and the cones look
2:18like little triangles. The other place, of course, where light can impact our body is
2:18like little triangles. The other place, of course, where light can impact our body is
2:18like little triangles. The other place, of course, where light can impact our body is
2:18like little triangles. The other place, of course, where light can impact our body is
2:18like little triangles. The other place, of course, where light can impact our body is
2:18like little triangles. The other place, of course, where light can impact our body is
2:23on our surface, on our skin.
2:23on our surface, on our skin.
2:23on our surface, on our skin.
2:23on our surface, on our skin.
2:23on our surface, on our skin.
2:23on our surface, on our skin.
2:25In the top layer of skin, which is called the epidermis, we have keratinocytes and
2:25In the top layer of skin, which is called the epidermis, we have keratinocytes and
2:25In the top layer of skin, which is called the epidermis, we have keratinocytes and
2:25In the top layer of skin, which is called the epidermis, we have keratinocytes and
2:25In the top layer of skin, which is called the epidermis, we have keratinocytes and
2:25In the top layer of skin, which is called the epidermis, we have keratinocytes and
2:30we have melanocytes. With light exposure, those melanocytes will turn on genetic programs and other
2:30we have melanocytes. With light exposure, those melanocytes will turn on genetic programs and other
2:30we have melanocytes. With light exposure, those melanocytes will turn on genetic programs and other
2:30we have melanocytes. With light exposure, those melanocytes will turn on genetic programs and other
2:30we have melanocytes. With light exposure, those melanocytes will turn on genetic programs and other
2:30we have melanocytes. With light exposure, those melanocytes will turn on genetic programs and other
2:38biological programs that lead to enhanced pigmentation of the skin, which we call tanning.
2:38biological programs that lead to enhanced pigmentation of the skin, which we call tanning.
2:38biological programs that lead to enhanced pigmentation of the skin, which we call tanning.
2:38biological programs that lead to enhanced pigmentation of the skin, which we call tanning.
2:38biological programs that lead to enhanced pigmentation of the skin, which we call tanning.
2:38biological programs that lead to enhanced pigmentation of the skin, which we call tanning.
2:43And the third example I'd like to provide is that of every cell of your
2:43And the third example I'd like to provide is that of every cell of your
2:43And the third example I'd like to provide is that of every cell of your
2:43And the third example I'd like to provide is that of every cell of your
2:43And the third example I'd like to provide is that of every cell of your
2:43And the third example I'd like to provide is that of every cell of your
2:47body. And what I mean by that is that every cell of your body, meaning
2:47body. And what I mean by that is that every cell of your body, meaning
2:47body. And what I mean by that is that every cell of your body, meaning
2:47body. And what I mean by that is that every cell of your body, meaning
2:47body. And what I mean by that is that every cell of your body, meaning
2:47body. And what I mean by that is that every cell of your body, meaning
2:50a cell that is part of your bone tissue or your bone marrow or heart
2:50a cell that is part of your bone tissue or your bone marrow or heart
2:50a cell that is part of your bone tissue or your bone marrow or heart
2:50a cell that is part of your bone tissue or your bone marrow or heart
2:50a cell that is part of your bone tissue or your bone marrow or heart
2:50a cell that is part of your bone tissue or your bone marrow or heart
2:56tissue or liver or spleen, if light can access those cells, it will change the
2:56tissue or liver or spleen, if light can access those cells, it will change the
2:56tissue or liver or spleen, if light can access those cells, it will change the
2:56tissue or liver or spleen, if light can access those cells, it will change the
2:56tissue or liver or spleen, if light can access those cells, it will change the
2:56tissue or liver or spleen, if light can access those cells, it will change the
3:02way that those cells function, for better or for worse.
3:02way that those cells function, for better or for worse.
3:02way that those cells function, for better or for worse.
3:02way that those cells function, for better or for worse.
3:02way that those cells function, for better or for worse.
3:02way that those cells function, for better or for worse.
3:05For many organs within our body that reside deep to our skin, light never arrives
3:05For many organs within our body that reside deep to our skin, light never arrives
3:05For many organs within our body that reside deep to our skin, light never arrives
3:05For many organs within our body that reside deep to our skin, light never arrives
3:05For many organs within our body that reside deep to our skin, light never arrives
3:05For many organs within our body that reside deep to our skin, light never arrives
3:12at those cells. A really good example of this is the spleen.
3:12at those cells. A really good example of this is the spleen.
3:12at those cells. A really good example of this is the spleen.
3:12at those cells. A really good example of this is the spleen.
3:12at those cells. A really good example of this is the spleen.
3:12at those cells. A really good example of this is the spleen.
3:17Light will never land directly on your spleen, but the spleen still responds to light
3:17Light will never land directly on your spleen, but the spleen still responds to light
3:17Light will never land directly on your spleen, but the spleen still responds to light
3:17Light will never land directly on your spleen, but the spleen still responds to light
3:17Light will never land directly on your spleen, but the spleen still responds to light
3:17Light will never land directly on your spleen, but the spleen still responds to light
3:23information through indirect pathways. Light arriving on the eyes is absorbed by a particular cell
3:23information through indirect pathways. Light arriving on the eyes is absorbed by a particular cell
3:23information through indirect pathways. Light arriving on the eyes is absorbed by a particular cell
3:23information through indirect pathways. Light arriving on the eyes is absorbed by a particular cell
3:23information through indirect pathways. Light arriving on the eyes is absorbed by a particular cell
3:23information through indirect pathways. Light arriving on the eyes is absorbed by a particular cell
3:32type called the intrinsically photosensitive ganglion cell.
3:32type called the intrinsically photosensitive ganglion cell.
3:32type called the intrinsically photosensitive ganglion cell.
3:32type called the intrinsically photosensitive ganglion cell.
3:32type called the intrinsically photosensitive ganglion cell.
3:32type called the intrinsically photosensitive ganglion cell.
3:35It's just a name. You don't need to know the name, but if you want,
3:35It's just a name. You don't need to know the name, but if you want,
3:35It's just a name. You don't need to know the name, but if you want,
3:35It's just a name. You don't need to know the name, but if you want,
3:35It's just a name. You don't need to know the name, but if you want,
3:35It's just a name. You don't need to know the name, but if you want,
3:37it's the so -called intrinsically photosensitive ganglion cell, also called the melanopsin cell, because it
3:37it's the so -called intrinsically photosensitive ganglion cell, also called the melanopsin cell, because it
3:37it's the so -called intrinsically photosensitive ganglion cell, also called the melanopsin cell, because it
3:37it's the so -called intrinsically photosensitive ganglion cell, also called the melanopsin cell, because it
3:37it's the so -called intrinsically photosensitive ganglion cell, also called the melanopsin cell, because it
3:37it's the so -called intrinsically photosensitive ganglion cell, also called the melanopsin cell, because it
3:42contains an opsin, a photopigment that absorbs short wavelength light that arrives through sunlight.
3:42contains an opsin, a photopigment that absorbs short wavelength light that arrives through sunlight.
3:42contains an opsin, a photopigment that absorbs short wavelength light that arrives through sunlight.
3:42contains an opsin, a photopigment that absorbs short wavelength light that arrives through sunlight.
3:42contains an opsin, a photopigment that absorbs short wavelength light that arrives through sunlight.
3:42contains an opsin, a photopigment that absorbs short wavelength light that arrives through sunlight.
3:49Those cells communicate to particular stations in the brain that in turn connect to your
3:49Those cells communicate to particular stations in the brain that in turn connect to your
3:49Those cells communicate to particular stations in the brain that in turn connect to your
3:49Those cells communicate to particular stations in the brain that in turn connect to your
3:49Those cells communicate to particular stations in the brain that in turn connect to your
3:49Those cells communicate to particular stations in the brain that in turn connect to your
3:56so -called pineal gland, which is this little pea -sized gland in the middle of
3:56so -called pineal gland, which is this little pea -sized gland in the middle of
3:56so -called pineal gland, which is this little pea -sized gland in the middle of
3:56so -called pineal gland, which is this little pea -sized gland in the middle of
3:56so -called pineal gland, which is this little pea -sized gland in the middle of
3:56so -called pineal gland, which is this little pea -sized gland in the middle of
4:00your brain that releases a hormone called melatonin.
4:00your brain that releases a hormone called melatonin.
4:00your brain that releases a hormone called melatonin.
4:00your brain that releases a hormone called melatonin.
4:00your brain that releases a hormone called melatonin.
4:00your brain that releases a hormone called melatonin.
4:03And the only thing you need to know is that light activates these particular cells,
4:03And the only thing you need to know is that light activates these particular cells,
4:03And the only thing you need to know is that light activates these particular cells,
4:03And the only thing you need to know is that light activates these particular cells,
4:03And the only thing you need to know is that light activates these particular cells,
4:03And the only thing you need to know is that light activates these particular cells,
4:09the intrinsically photosensitive melanopsin cells, which in turn shuts down the production of melatonin from
4:09the intrinsically photosensitive melanopsin cells, which in turn shuts down the production of melatonin from
4:09the intrinsically photosensitive melanopsin cells, which in turn shuts down the production of melatonin from
4:09the intrinsically photosensitive melanopsin cells, which in turn shuts down the production of melatonin from
4:09the intrinsically photosensitive melanopsin cells, which in turn shuts down the production of melatonin from
4:09the intrinsically photosensitive melanopsin cells, which in turn shuts down the production of melatonin from
4:15the pineal gland. So melatonin is a transducer.
4:15the pineal gland. So melatonin is a transducer.
4:15the pineal gland. So melatonin is a transducer.
4:15the pineal gland. So melatonin is a transducer.
4:15the pineal gland. So melatonin is a transducer.
4:15the pineal gland. So melatonin is a transducer.
4:20It's a communicator. of how much light on average is in your physical environment.
4:20It's a communicator. of how much light on average is in your physical environment.
4:20It's a communicator. of how much light on average is in your physical environment.
4:20It's a communicator. of how much light on average is in your physical environment.
4:20It's a communicator. of how much light on average is in your physical environment.
4:20It's a communicator. of how much light on average is in your physical environment.
4:25What this means is for people living in the Northern hemisphere, you're getting more melatonin
4:25What this means is for people living in the Northern hemisphere, you're getting more melatonin
4:25What this means is for people living in the Northern hemisphere, you're getting more melatonin
4:25What this means is for people living in the Northern hemisphere, you're getting more melatonin
4:25What this means is for people living in the Northern hemisphere, you're getting more melatonin
4:25What this means is for people living in the Northern hemisphere, you're getting more melatonin
4:31release in the winter months than you are in the summer months.
4:31release in the winter months than you are in the summer months.
4:31release in the winter months than you are in the summer months.
4:31release in the winter months than you are in the summer months.
4:31release in the winter months than you are in the summer months.
4:31release in the winter months than you are in the summer months.
4:34So you have a calendar system that is based in a hormone and that hormone
4:34So you have a calendar system that is based in a hormone and that hormone
4:34So you have a calendar system that is based in a hormone and that hormone
4:34So you have a calendar system that is based in a hormone and that hormone
4:34So you have a calendar system that is based in a hormone and that hormone
4:34So you have a calendar system that is based in a hormone and that hormone
4:41is using light in order to determine where you are in that journey around the
4:41is using light in order to determine where you are in that journey around the
4:41is using light in order to determine where you are in that journey around the
4:41is using light in order to determine where you are in that journey around the
4:41is using light in order to determine where you are in that journey around the
4:41is using light in order to determine where you are in that journey around the
4:47sun. Now this is beautiful, at least to me it's beautiful because what it means
4:47sun. Now this is beautiful, at least to me it's beautiful because what it means
4:47sun. Now this is beautiful, at least to me it's beautiful because what it means
4:47sun. Now this is beautiful, at least to me it's beautiful because what it means
4:47sun. Now this is beautiful, at least to me it's beautiful because what it means
4:47sun. Now this is beautiful, at least to me it's beautiful because what it means
4:51is that the environment around us is converted into a signal that changes the environment
4:51is that the environment around us is converted into a signal that changes the environment
4:51is that the environment around us is converted into a signal that changes the environment
4:51is that the environment around us is converted into a signal that changes the environment
4:51is that the environment around us is converted into a signal that changes the environment
4:51is that the environment around us is converted into a signal that changes the environment
4:57within us. That signal is melatonin.
4:57within us. That signal is melatonin.
4:57within us. That signal is melatonin.
4:57within us. That signal is melatonin.
4:57within us. That signal is melatonin.
4:57within us. That signal is melatonin.
5:00And melatonin is well known for its role in making us sleepy each night and
5:00And melatonin is well known for its role in making us sleepy each night and
5:00And melatonin is well known for its role in making us sleepy each night and
5:00And melatonin is well known for its role in making us sleepy each night and
5:00And melatonin is well known for its role in making us sleepy each night and
5:00And melatonin is well known for its role in making us sleepy each night and
5:04allowing us to fall asleep.
5:04allowing us to fall asleep.
5:04allowing us to fall asleep.
5:04allowing us to fall asleep.
5:04allowing us to fall asleep.
5:04allowing us to fall asleep.
5:06Many of you have probably heard before, I am not a big fan of melatonin
5:06Many of you have probably heard before, I am not a big fan of melatonin
5:06Many of you have probably heard before, I am not a big fan of melatonin
5:06Many of you have probably heard before, I am not a big fan of melatonin
5:06Many of you have probably heard before, I am not a big fan of melatonin
5:06Many of you have probably heard before, I am not a big fan of melatonin
5:09supplementation for a number of reasons, but just as a quick aside, the levels of
5:09supplementation for a number of reasons, but just as a quick aside, the levels of
5:09supplementation for a number of reasons, but just as a quick aside, the levels of
5:09supplementation for a number of reasons, but just as a quick aside, the levels of
5:09supplementation for a number of reasons, but just as a quick aside, the levels of
5:09supplementation for a number of reasons, but just as a quick aside, the levels of
5:13melatonin that are in most supplements are far too high to really be considered physiological.
5:13melatonin that are in most supplements are far too high to really be considered physiological.
5:13melatonin that are in most supplements are far too high to really be considered physiological.
5:13melatonin that are in most supplements are far too high to really be considered physiological.
5:13melatonin that are in most supplements are far too high to really be considered physiological.
5:13melatonin that are in most supplements are far too high to really be considered physiological.
5:18They are indeed super physiological in most cases.
5:18They are indeed super physiological in most cases.
5:18They are indeed super physiological in most cases.
5:18They are indeed super physiological in most cases.
5:18They are indeed super physiological in most cases.
5:18They are indeed super physiological in most cases.
5:20And melatonin can have a number of different effects, not just related to sleep, but
5:20And melatonin can have a number of different effects, not just related to sleep, but
5:20And melatonin can have a number of different effects, not just related to sleep, but
5:20And melatonin can have a number of different effects, not just related to sleep, but
5:20And melatonin can have a number of different effects, not just related to sleep, but
5:20And melatonin can have a number of different effects, not just related to sleep, but
5:26that's supplemented melatonin. Here I'm talking about our natural production and release of melatonin according
5:26that's supplemented melatonin. Here I'm talking about our natural production and release of melatonin according
5:26that's supplemented melatonin. Here I'm talking about our natural production and release of melatonin according
5:26that's supplemented melatonin. Here I'm talking about our natural production and release of melatonin according
5:26that's supplemented melatonin. Here I'm talking about our natural production and release of melatonin according
5:26that's supplemented melatonin. Here I'm talking about our natural production and release of melatonin according
5:32to where we are in the 365 day calendar year.
5:32to where we are in the 365 day calendar year.
5:32to where we are in the 365 day calendar year.
5:32to where we are in the 365 day calendar year.
5:32to where we are in the 365 day calendar year.
5:32to where we are in the 365 day calendar year.
5:36Endogenous melatonin, meaning the melatonin that we make within our bodies naturally, not melatonin that's
5:36Endogenous melatonin, meaning the melatonin that we make within our bodies naturally, not melatonin that's
5:36Endogenous melatonin, meaning the melatonin that we make within our bodies naturally, not melatonin that's
5:36Endogenous melatonin, meaning the melatonin that we make within our bodies naturally, not melatonin that's
5:36Endogenous melatonin, meaning the melatonin that we make within our bodies naturally, not melatonin that's
5:36Endogenous melatonin, meaning the melatonin that we make within our bodies naturally, not melatonin that's
5:42supplemented, has two general categories of effects.
5:42supplemented, has two general categories of effects.
5:42supplemented, has two general categories of effects.
5:42supplemented, has two general categories of effects.
5:42supplemented, has two general categories of effects.
5:42supplemented, has two general categories of effects.
5:45The first set of effects are so -called regulatory effects and the others are protective
5:45The first set of effects are so -called regulatory effects and the others are protective
5:45The first set of effects are so -called regulatory effects and the others are protective
5:45The first set of effects are so -called regulatory effects and the others are protective
5:45The first set of effects are so -called regulatory effects and the others are protective
5:45The first set of effects are so -called regulatory effects and the others are protective
5:50effects. The regulatory effects are, for instance, that melatonin can positively impact bone mass.
5:50effects. The regulatory effects are, for instance, that melatonin can positively impact bone mass.
5:50effects. The regulatory effects are, for instance, that melatonin can positively impact bone mass.
5:50effects. The regulatory effects are, for instance, that melatonin can positively impact bone mass.
5:50effects. The regulatory effects are, for instance, that melatonin can positively impact bone mass.
5:50effects. The regulatory effects are, for instance, that melatonin can positively impact bone mass.
5:57Melatonin is also involved in maturation of the gonads during puberty, the ovaries and the
5:57Melatonin is also involved in maturation of the gonads during puberty, the ovaries and the
5:57Melatonin is also involved in maturation of the gonads during puberty, the ovaries and the
5:57Melatonin is also involved in maturation of the gonads during puberty, the ovaries and the
5:57Melatonin is also involved in maturation of the gonads during puberty, the ovaries and the
5:57Melatonin is also involved in maturation of the gonads during puberty, the ovaries and the
6:02testes. Although there, the effects of melatonin tend to be suppressive on maturation of the
6:02testes. Although there, the effects of melatonin tend to be suppressive on maturation of the
6:02testes. Although there, the effects of melatonin tend to be suppressive on maturation of the
6:02testes. Although there, the effects of melatonin tend to be suppressive on maturation of the
6:02testes. Although there, the effects of melatonin tend to be suppressive on maturation of the
6:02testes. Although there, the effects of melatonin tend to be suppressive on maturation of the
6:07ovaries and testes, meaning high levels of melatonin tend to reduce testicle volume and reduce
6:07ovaries and testes, meaning high levels of melatonin tend to reduce testicle volume and reduce
6:07ovaries and testes, meaning high levels of melatonin tend to reduce testicle volume and reduce
6:07ovaries and testes, meaning high levels of melatonin tend to reduce testicle volume and reduce
6:07ovaries and testes, meaning high levels of melatonin tend to reduce testicle volume and reduce
6:07ovaries and testes, meaning high levels of melatonin tend to reduce testicle volume and reduce
6:15certain functions within the testes, including sperm production and testosterone production.
6:15certain functions within the testes, including sperm production and testosterone production.
6:15certain functions within the testes, including sperm production and testosterone production.
6:15certain functions within the testes, including sperm production and testosterone production.
6:15certain functions within the testes, including sperm production and testosterone production.
6:15certain functions within the testes, including sperm production and testosterone production.
6:19And within the ovaries, melatonin can suppress the maturation of eggs, et cetera.
6:19And within the ovaries, melatonin can suppress the maturation of eggs, et cetera.
6:19And within the ovaries, melatonin can suppress the maturation of eggs, et cetera.
6:19And within the ovaries, melatonin can suppress the maturation of eggs, et cetera.
6:19And within the ovaries, melatonin can suppress the maturation of eggs, et cetera.
6:19And within the ovaries, melatonin can suppress the maturation of eggs, et cetera.
6:24Now, I don't want anyone to get scared if you've been taking melatonin.
6:24Now, I don't want anyone to get scared if you've been taking melatonin.
6:24Now, I don't want anyone to get scared if you've been taking melatonin.
6:24Now, I don't want anyone to get scared if you've been taking melatonin.
6:24Now, I don't want anyone to get scared if you've been taking melatonin.
6:24Now, I don't want anyone to get scared if you've been taking melatonin.
6:27Most of the effects of melatonin on those functions are reversible, but I shouldn't.
6:27Most of the effects of melatonin on those functions are reversible, but I shouldn't.
6:27Most of the effects of melatonin on those functions are reversible, but I shouldn't.
6:27Most of the effects of melatonin on those functions are reversible, but I shouldn't.
6:27Most of the effects of melatonin on those functions are reversible, but I shouldn't.
6:27Most of the effects of melatonin on those functions are reversible, but I shouldn't.
6:31I should point out that one of the reasons why children don't go into puberty
6:31I should point out that one of the reasons why children don't go into puberty
6:31I should point out that one of the reasons why children don't go into puberty
6:31I should point out that one of the reasons why children don't go into puberty
6:31I should point out that one of the reasons why children don't go into puberty
6:31I should point out that one of the reasons why children don't go into puberty
6:35until a particular age is that young children tend to have chronically high endogenous melatonin,
6:35until a particular age is that young children tend to have chronically high endogenous melatonin,
6:35until a particular age is that young children tend to have chronically high endogenous melatonin,
6:35until a particular age is that young children tend to have chronically high endogenous melatonin,
6:35until a particular age is that young children tend to have chronically high endogenous melatonin,
6:35until a particular age is that young children tend to have chronically high endogenous melatonin,
6:41and that is healthy to keep them out of puberty until it's the right time
6:41and that is healthy to keep them out of puberty until it's the right time
6:41and that is healthy to keep them out of puberty until it's the right time
6:41and that is healthy to keep them out of puberty until it's the right time
6:41and that is healthy to keep them out of puberty until it's the right time
6:41and that is healthy to keep them out of puberty until it's the right time
6:45for puberty to happen. I should also mention that melatonin is a powerful modulator of
6:45for puberty to happen. I should also mention that melatonin is a powerful modulator of
6:45for puberty to happen. I should also mention that melatonin is a powerful modulator of
6:45for puberty to happen. I should also mention that melatonin is a powerful modulator of
6:45for puberty to happen. I should also mention that melatonin is a powerful modulator of
6:45for puberty to happen. I should also mention that melatonin is a powerful modulator of
6:50placental development. So for anyone that's pregnant, if you're considering melatonin supplementation, please, please, please
6:50placental development. So for anyone that's pregnant, if you're considering melatonin supplementation, please, please, please
6:50placental development. So for anyone that's pregnant, if you're considering melatonin supplementation, please, please, please
6:50placental development. So for anyone that's pregnant, if you're considering melatonin supplementation, please, please, please
6:50placental development. So for anyone that's pregnant, if you're considering melatonin supplementation, please, please, please
6:50placental development. So for anyone that's pregnant, if you're considering melatonin supplementation, please, please, please
6:56talk to your OBGYN, talk to your other doctor as well.
6:56talk to your OBGYN, talk to your other doctor as well.
6:56talk to your OBGYN, talk to your other doctor as well.
6:56talk to your OBGYN, talk to your other doctor as well.
6:56talk to your OBGYN, talk to your other doctor as well.
6:56talk to your OBGYN, talk to your other doctor as well.
7:00You want to be very, very cautious because of the powerful effects that melatonin can
7:00You want to be very, very cautious because of the powerful effects that melatonin can
7:00You want to be very, very cautious because of the powerful effects that melatonin can
7:00You want to be very, very cautious because of the powerful effects that melatonin can
7:00You want to be very, very cautious because of the powerful effects that melatonin can
7:00You want to be very, very cautious because of the powerful effects that melatonin can
7:04have on the developing fetus and placenta.
7:04have on the developing fetus and placenta.
7:04have on the developing fetus and placenta.
7:04have on the developing fetus and placenta.
7:04have on the developing fetus and placenta.
7:04have on the developing fetus and placenta.
7:06So when we think about light impacting our biology, the reason I bring up melatonin
7:06So when we think about light impacting our biology, the reason I bring up melatonin
7:06So when we think about light impacting our biology, the reason I bring up melatonin
7:06So when we think about light impacting our biology, the reason I bring up melatonin
7:06So when we think about light impacting our biology, the reason I bring up melatonin
7:06So when we think about light impacting our biology, the reason I bring up melatonin
7:11as the primary example of that is A, because melatonin impacts so many important functions
7:11as the primary example of that is A, because melatonin impacts so many important functions
7:11as the primary example of that is A, because melatonin impacts so many important functions
7:11as the primary example of that is A, because melatonin impacts so many important functions
7:11as the primary example of that is A, because melatonin impacts so many important functions
7:11as the primary example of that is A, because melatonin impacts so many important functions
7:16within our brain and body, but also because hormones in general, not always, but in
7:16within our brain and body, but also because hormones in general, not always, but in
7:16within our brain and body, but also because hormones in general, not always, but in
7:16within our brain and body, but also because hormones in general, not always, but in
7:16within our brain and body, but also because hormones in general, not always, but in
7:16within our brain and body, but also because hormones in general, not always, but in
7:21general are responsible for these slow modulatory effects on our biology.
7:21general are responsible for these slow modulatory effects on our biology.
7:21general are responsible for these slow modulatory effects on our biology.
7:21general are responsible for these slow modulatory effects on our biology.
7:21general are responsible for these slow modulatory effects on our biology.
7:21general are responsible for these slow modulatory effects on our biology.
7:25And so I'm using this as an example of how light throughout the year is
7:25And so I'm using this as an example of how light throughout the year is
7:25And so I'm using this as an example of how light throughout the year is
7:25And so I'm using this as an example of how light throughout the year is
7:25And so I'm using this as an example of how light throughout the year is
7:25And so I'm using this as an example of how light throughout the year is
7:29changing the way that the different cells and tissues and organs of your body are
7:29changing the way that the different cells and tissues and organs of your body are
7:29changing the way that the different cells and tissues and organs of your body are
7:29changing the way that the different cells and tissues and organs of your body are
7:29changing the way that the different cells and tissues and organs of your body are
7:29changing the way that the different cells and tissues and organs of your body are
7:33working, and that melatonin is the transducer of that signal.
7:33working, and that melatonin is the transducer of that signal.
7:33working, and that melatonin is the transducer of that signal.
7:33working, and that melatonin is the transducer of that signal.
7:33working, and that melatonin is the transducer of that signal.
7:33working, and that melatonin is the transducer of that signal.
7:37So in order to get light information to the pineal and thereby get the proper
7:37So in order to get light information to the pineal and thereby get the proper
7:37So in order to get light information to the pineal and thereby get the proper
7:37So in order to get light information to the pineal and thereby get the proper
7:37So in order to get light information to the pineal and thereby get the proper
7:37So in order to get light information to the pineal and thereby get the proper
7:43levels of melatonin, according to the time of year, we should all try and get
7:43levels of melatonin, according to the time of year, we should all try and get
7:43levels of melatonin, according to the time of year, we should all try and get
7:43levels of melatonin, according to the time of year, we should all try and get
7:43levels of melatonin, according to the time of year, we should all try and get
7:43levels of melatonin, according to the time of year, we should all try and get
7:48outside as much as possible during the long days of summer and spring.
7:48outside as much as possible during the long days of summer and spring.
7:48outside as much as possible during the long days of summer and spring.
7:48outside as much as possible during the long days of summer and spring.
7:48outside as much as possible during the long days of summer and spring.
7:48outside as much as possible during the long days of summer and spring.
7:53And in the winter months, it makes sense to spend more time indoors.
7:53And in the winter months, it makes sense to spend more time indoors.
7:53And in the winter months, it makes sense to spend more time indoors.
7:53And in the winter months, it makes sense to spend more time indoors.
7:53And in the winter months, it makes sense to spend more time indoors.
7:53And in the winter months, it makes sense to spend more time indoors.
7:56For those of you that suffer from seasonal affective disorder, which is a seasonal depression,
7:56For those of you that suffer from seasonal affective disorder, which is a seasonal depression,
7:56For those of you that suffer from seasonal affective disorder, which is a seasonal depression,
7:56For those of you that suffer from seasonal affective disorder, which is a seasonal depression,
7:56For those of you that suffer from seasonal affective disorder, which is a seasonal depression,
7:56For those of you that suffer from seasonal affective disorder, which is a seasonal depression,
8:00or feel low during the fall and winter months, there are ways to offset this.
8:00or feel low during the fall and winter months, there are ways to offset this.
8:00or feel low during the fall and winter months, there are ways to offset this.
8:00or feel low during the fall and winter months, there are ways to offset this.
8:00or feel low during the fall and winter months, there are ways to offset this.
8:00or feel low during the fall and winter months, there are ways to offset this.
8:04We did an entire episode on mood and circadian rhythms where we described this.
8:04We did an entire episode on mood and circadian rhythms where we described this.
8:04We did an entire episode on mood and circadian rhythms where we described this.
8:04We did an entire episode on mood and circadian rhythms where we described this.
8:04We did an entire episode on mood and circadian rhythms where we described this.
8:04We did an entire episode on mood and circadian rhythms where we described this.
8:08So it does make sense for some people to get more bright light in their
8:08So it does make sense for some people to get more bright light in their
8:08So it does make sense for some people to get more bright light in their
8:08So it does make sense for some people to get more bright light in their
8:08So it does make sense for some people to get more bright light in their
8:08So it does make sense for some people to get more bright light in their
8:11eyes early in the morning and throughout the day during the winter months as well.
8:11eyes early in the morning and throughout the day during the winter months as well.
8:11eyes early in the morning and throughout the day during the winter months as well.
8:11eyes early in the morning and throughout the day during the winter months as well.
8:11eyes early in the morning and throughout the day during the winter months as well.
8:11eyes early in the morning and throughout the day during the winter months as well.
8:15But nonetheless, changes in melatonin, meaning changes in the duration of melatonin release across the
8:15But nonetheless, changes in melatonin, meaning changes in the duration of melatonin release across the
8:15But nonetheless, changes in melatonin, meaning changes in the duration of melatonin release across the
8:15But nonetheless, changes in melatonin, meaning changes in the duration of melatonin release across the
8:15But nonetheless, changes in melatonin, meaning changes in the duration of melatonin release across the
8:15But nonetheless, changes in melatonin, meaning changes in the duration of melatonin release across the
8:21year are normal and healthy.
8:21year are normal and healthy.
8:21year are normal and healthy.
8:21year are normal and healthy.
8:21year are normal and healthy.
8:21year are normal and healthy.
8:23So provided that you're not suffering from depression, it's going to be healthy to somewhat
8:23So provided that you're not suffering from depression, it's going to be healthy to somewhat
8:23So provided that you're not suffering from depression, it's going to be healthy to somewhat
8:23So provided that you're not suffering from depression, it's going to be healthy to somewhat
8:23So provided that you're not suffering from depression, it's going to be healthy to somewhat
8:23So provided that you're not suffering from depression, it's going to be healthy to somewhat
8:28modulate your amount of indoor and outdoor time across the year.
8:28modulate your amount of indoor and outdoor time across the year.
8:28modulate your amount of indoor and outdoor time across the year.
8:28modulate your amount of indoor and outdoor time across the year.
8:28modulate your amount of indoor and outdoor time across the year.
8:28modulate your amount of indoor and outdoor time across the year.
8:31I'd like to take a quick break and acknowledge one of our sponsors, Roka.
8:31I'd like to take a quick break and acknowledge one of our sponsors, Roka.
8:31I'd like to take a quick break and acknowledge one of our sponsors, Roka.
8:31I'd like to take a quick break and acknowledge one of our sponsors, Roka.
8:31I'd like to take a quick break and acknowledge one of our sponsors, Roka.
8:31I'd like to take a quick break and acknowledge one of our sponsors, Roka.
8:35I'm excited to share that Roka and I recently teamed up to create a new
8:35I'm excited to share that Roka and I recently teamed up to create a new
8:35I'm excited to share that Roka and I recently teamed up to create a new
8:35I'm excited to share that Roka and I recently teamed up to create a new
8:35I'm excited to share that Roka and I recently teamed up to create a new
8:35I'm excited to share that Roka and I recently teamed up to create a new
8:38pair of red lens glasses.
8:38pair of red lens glasses.
8:38pair of red lens glasses.
8:38pair of red lens glasses.
8:38pair of red lens glasses.
8:38pair of red lens glasses.
8:40These red lens glasses are meant to be worn in the evening.
8:40These red lens glasses are meant to be worn in the evening.
8:40These red lens glasses are meant to be worn in the evening.
8:40These red lens glasses are meant to be worn in the evening.
8:40These red lens glasses are meant to be worn in the evening.
8:40These red lens glasses are meant to be worn in the evening.
8:42After the sun goes down, they filter out short wavelength light that comes from screens
8:42After the sun goes down, they filter out short wavelength light that comes from screens
8:42After the sun goes down, they filter out short wavelength light that comes from screens
8:42After the sun goes down, they filter out short wavelength light that comes from screens
8:42After the sun goes down, they filter out short wavelength light that comes from screens
8:42After the sun goes down, they filter out short wavelength light that comes from screens
8:47and from LED lights, which are the most common indoor lighting nowadays.
8:47and from LED lights, which are the most common indoor lighting nowadays.
8:47and from LED lights, which are the most common indoor lighting nowadays.
8:47and from LED lights, which are the most common indoor lighting nowadays.
8:47and from LED lights, which are the most common indoor lighting nowadays.
8:47and from LED lights, which are the most common indoor lighting nowadays.
8:51I want to emphasize Roka Red Lens glasses are not traditional blue blockers.
8:51I want to emphasize Roka Red Lens glasses are not traditional blue blockers.
8:51I want to emphasize Roka Red Lens glasses are not traditional blue blockers.
8:51I want to emphasize Roka Red Lens glasses are not traditional blue blockers.
8:51I want to emphasize Roka Red Lens glasses are not traditional blue blockers.
8:51I want to emphasize Roka Red Lens glasses are not traditional blue blockers.
8:55They do filter out blue light, but they filter out a lot more than just
8:55They do filter out blue light, but they filter out a lot more than just
8:55They do filter out blue light, but they filter out a lot more than just
8:55They do filter out blue light, but they filter out a lot more than just
8:55They do filter out blue light, but they filter out a lot more than just
8:55They do filter out blue light, but they filter out a lot more than just
8:58blue light. In fact, they filter out the full range of short wavelength light that
8:58blue light. In fact, they filter out the full range of short wavelength light that
8:58blue light. In fact, they filter out the full range of short wavelength light that
8:58blue light. In fact, they filter out the full range of short wavelength light that
8:58blue light. In fact, they filter out the full range of short wavelength light that
8:58blue light. In fact, they filter out the full range of short wavelength light that
9:02suppresses the hormone melatonin. By the way, you want melatonin high in the evening and
9:02suppresses the hormone melatonin. By the way, you want melatonin high in the evening and
9:02suppresses the hormone melatonin. By the way, you want melatonin high in the evening and
9:02suppresses the hormone melatonin. By the way, you want melatonin high in the evening and
9:02suppresses the hormone melatonin. By the way, you want melatonin high in the evening and
9:02suppresses the hormone melatonin. By the way, you want melatonin high in the evening and
9:06at night, makes it easy to fall and stay asleep.
9:06at night, makes it easy to fall and stay asleep.
9:06at night, makes it easy to fall and stay asleep.
9:06at night, makes it easy to fall and stay asleep.
9:06at night, makes it easy to fall and stay asleep.
9:06at night, makes it easy to fall and stay asleep.
9:09And those short wavelengths trigger increases in cortisol.
9:09And those short wavelengths trigger increases in cortisol.
9:09And those short wavelengths trigger increases in cortisol.
9:09And those short wavelengths trigger increases in cortisol.
9:09And those short wavelengths trigger increases in cortisol.
9:09And those short wavelengths trigger increases in cortisol.
9:13Increases in cortisol are great in the early part of the day, but you do
9:13Increases in cortisol are great in the early part of the day, but you do
9:13Increases in cortisol are great in the early part of the day, but you do
9:13Increases in cortisol are great in the early part of the day, but you do
9:13Increases in cortisol are great in the early part of the day, but you do
9:13Increases in cortisol are great in the early part of the day, but you do
9:16not want increases in cortisol in the evening and at night.
9:16not want increases in cortisol in the evening and at night.
9:16not want increases in cortisol in the evening and at night.
9:16not want increases in cortisol in the evening and at night.
9:16not want increases in cortisol in the evening and at night.
9:16not want increases in cortisol in the evening and at night.
9:19These Roka Red Lens glasses ensure normal, healthy increases in melatonin and that your cortisol
9:19These Roka Red Lens glasses ensure normal, healthy increases in melatonin and that your cortisol
9:19These Roka Red Lens glasses ensure normal, healthy increases in melatonin and that your cortisol
9:19These Roka Red Lens glasses ensure normal, healthy increases in melatonin and that your cortisol
9:19These Roka Red Lens glasses ensure normal, healthy increases in melatonin and that your cortisol
9:19These Roka Red Lens glasses ensure normal, healthy increases in melatonin and that your cortisol
9:24levels stay low, which is again, what you want in the evening and at night.
9:24levels stay low, which is again, what you want in the evening and at night.
9:24levels stay low, which is again, what you want in the evening and at night.
9:24levels stay low, which is again, what you want in the evening and at night.
9:24levels stay low, which is again, what you want in the evening and at night.
9:24levels stay low, which is again, what you want in the evening and at night.
9:28In doing so, these Roka Red Lens glasses really help you calm down and improve
9:28In doing so, these Roka Red Lens glasses really help you calm down and improve
9:28In doing so, these Roka Red Lens glasses really help you calm down and improve
9:28In doing so, these Roka Red Lens glasses really help you calm down and improve
9:28In doing so, these Roka Red Lens glasses really help you calm down and improve
9:28In doing so, these Roka Red Lens glasses really help you calm down and improve
9:32your transition to sleep. If you'd like to try Roka, go to roka .com, that's
9:32your transition to sleep. If you'd like to try Roka, go to roka .com, that's
9:32your transition to sleep. If you'd like to try Roka, go to roka .com, that's
9:32your transition to sleep. If you'd like to try Roka, go to roka .com, that's
9:32your transition to sleep. If you'd like to try Roka, go to roka .com, that's
9:32your transition to sleep. If you'd like to try Roka, go to roka .com, that's
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9:41your first order. Again, that's roka .com and enter the code Huberman at checkout.
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9:46The other thing to understand is the very firmly established fact, which is that light
9:46The other thing to understand is the very firmly established fact, which is that light
9:46The other thing to understand is the very firmly established fact, which is that light
9:46The other thing to understand is the very firmly established fact, which is that light
9:46The other thing to understand is the very firmly established fact, which is that light
9:46The other thing to understand is the very firmly established fact, which is that light
9:50powerfully inhibits melatonin. If you wake up in the middle of the night and you
9:50powerfully inhibits melatonin. If you wake up in the middle of the night and you
9:50powerfully inhibits melatonin. If you wake up in the middle of the night and you
9:50powerfully inhibits melatonin. If you wake up in the middle of the night and you
9:50powerfully inhibits melatonin. If you wake up in the middle of the night and you
9:50powerfully inhibits melatonin. If you wake up in the middle of the night and you
9:55go into the bathroom and you flip on the lights and those are very bright
9:55go into the bathroom and you flip on the lights and those are very bright
9:55go into the bathroom and you flip on the lights and those are very bright
9:55go into the bathroom and you flip on the lights and those are very bright
9:55go into the bathroom and you flip on the lights and those are very bright
9:55go into the bathroom and you flip on the lights and those are very bright
9:59overhead fluorescent lights, your melatonin levels, which would ordinarily be quite high in the middle
9:59overhead fluorescent lights, your melatonin levels, which would ordinarily be quite high in the middle
9:59overhead fluorescent lights, your melatonin levels, which would ordinarily be quite high in the middle
9:59overhead fluorescent lights, your melatonin levels, which would ordinarily be quite high in the middle
9:59overhead fluorescent lights, your melatonin levels, which would ordinarily be quite high in the middle
9:59overhead fluorescent lights, your melatonin levels, which would ordinarily be quite high in the middle
10:04of the night because you've been eyes closed in the dark, presumably, will immediately plummet
10:04of the night because you've been eyes closed in the dark, presumably, will immediately plummet
10:04of the night because you've been eyes closed in the dark, presumably, will immediately plummet
10:04of the night because you've been eyes closed in the dark, presumably, will immediately plummet
10:04of the night because you've been eyes closed in the dark, presumably, will immediately plummet
10:04of the night because you've been eyes closed in the dark, presumably, will immediately plummet
10:09to near zero or zero.
10:09to near zero or zero.
10:09to near zero or zero.
10:09to near zero or zero.
10:09to near zero or zero.
10:09to near zero or zero.
10:11If you do that every once in a while, it's not going to be a
10:11If you do that every once in a while, it's not going to be a
10:11If you do that every once in a while, it's not going to be a
10:11If you do that every once in a while, it's not going to be a
10:11If you do that every once in a while, it's not going to be a
10:11If you do that every once in a while, it's not going to be a
10:13problem. But if you're doing that night after night, you are really disrupting this fundamental
10:13problem. But if you're doing that night after night, you are really disrupting this fundamental
10:13problem. But if you're doing that night after night, you are really disrupting this fundamental
10:13problem. But if you're doing that night after night, you are really disrupting this fundamental
10:13problem. But if you're doing that night after night, you are really disrupting this fundamental
10:13problem. But if you're doing that night after night, you are really disrupting this fundamental
10:19signal that occurs every night, regardless of winter, spring, summer, et cetera.
10:19signal that occurs every night, regardless of winter, spring, summer, et cetera.
10:19signal that occurs every night, regardless of winter, spring, summer, et cetera.
10:19signal that occurs every night, regardless of winter, spring, summer, et cetera.
10:19signal that occurs every night, regardless of winter, spring, summer, et cetera.
10:19signal that occurs every night, regardless of winter, spring, summer, et cetera.
10:24And that is communicating information about where your brain and body should be in time.
10:24And that is communicating information about where your brain and body should be in time.
10:24And that is communicating information about where your brain and body should be in time.
10:24And that is communicating information about where your brain and body should be in time.
10:24And that is communicating information about where your brain and body should be in time.
10:24And that is communicating information about where your brain and body should be in time.
10:30In animals, such as mice, but also in humans, exposure to light, in particular UV
10:30In animals, such as mice, but also in humans, exposure to light, in particular UV
10:30In animals, such as mice, but also in humans, exposure to light, in particular UV
10:30In animals, such as mice, but also in humans, exposure to light, in particular UV
10:30In animals, such as mice, but also in humans, exposure to light, in particular UV
10:30In animals, such as mice, but also in humans, exposure to light, in particular UV
10:37blue light, so short wavelengths of light, can trigger increases in testosterone and estrogen and
10:37blue light, so short wavelengths of light, can trigger increases in testosterone and estrogen and
10:37blue light, so short wavelengths of light, can trigger increases in testosterone and estrogen and
10:37blue light, so short wavelengths of light, can trigger increases in testosterone and estrogen and
10:37blue light, so short wavelengths of light, can trigger increases in testosterone and estrogen and
10:37blue light, so short wavelengths of light, can trigger increases in testosterone and estrogen and
10:43the desire to mate. But it is not the exposure of light to the eyes.
10:43the desire to mate. But it is not the exposure of light to the eyes.
10:43the desire to mate. But it is not the exposure of light to the eyes.
10:43the desire to mate. But it is not the exposure of light to the eyes.
10:43the desire to mate. But it is not the exposure of light to the eyes.
10:43the desire to mate. But it is not the exposure of light to the eyes.
10:48It turns out that it is the exposure of your skin to particular wavelengths of
10:48It turns out that it is the exposure of your skin to particular wavelengths of
10:48It turns out that it is the exposure of your skin to particular wavelengths of
10:48It turns out that it is the exposure of your skin to particular wavelengths of
10:48It turns out that it is the exposure of your skin to particular wavelengths of
10:48It turns out that it is the exposure of your skin to particular wavelengths of
10:53light. that is triggering increases in the hormones testosterone and estrogen.
10:53light. that is triggering increases in the hormones testosterone and estrogen.
10:53light. that is triggering increases in the hormones testosterone and estrogen.
10:53light. that is triggering increases in the hormones testosterone and estrogen.
10:53light. that is triggering increases in the hormones testosterone and estrogen.
10:53light. that is triggering increases in the hormones testosterone and estrogen.
10:58I think the results are best understood by simply going through the primary data, meaning
10:58I think the results are best understood by simply going through the primary data, meaning
10:58I think the results are best understood by simply going through the primary data, meaning
10:58I think the results are best understood by simply going through the primary data, meaning
10:58I think the results are best understood by simply going through the primary data, meaning
10:58I think the results are best understood by simply going through the primary data, meaning
11:03the actual research on this topic.
11:03the actual research on this topic.
11:03the actual research on this topic.
11:03the actual research on this topic.
11:03the actual research on this topic.
11:03the actual research on this topic.
11:05And to do so, I'm going to review a paper that was published in the
11:05And to do so, I'm going to review a paper that was published in the
11:05And to do so, I'm going to review a paper that was published in the
11:05And to do so, I'm going to review a paper that was published in the
11:05And to do so, I'm going to review a paper that was published in the
11:05And to do so, I'm going to review a paper that was published in the
11:08journal Cell Reports, Cell Press Journal, excellent journal, entitled Skin Exposure to UVB Light Induces
11:08journal Cell Reports, Cell Press Journal, excellent journal, entitled Skin Exposure to UVB Light Induces
11:08journal Cell Reports, Cell Press Journal, excellent journal, entitled Skin Exposure to UVB Light Induces
11:08journal Cell Reports, Cell Press Journal, excellent journal, entitled Skin Exposure to UVB Light Induces
11:08journal Cell Reports, Cell Press Journal, excellent journal, entitled Skin Exposure to UVB Light Induces
11:08journal Cell Reports, Cell Press Journal, excellent journal, entitled Skin Exposure to UVB Light Induces
11:15a Skin -Brain Gonad Axis and Sexual Behavior.
11:15a Skin -Brain Gonad Axis and Sexual Behavior.
11:15a Skin -Brain Gonad Axis and Sexual Behavior.
11:15a Skin -Brain Gonad Axis and Sexual Behavior.
11:15a Skin -Brain Gonad Axis and Sexual Behavior.
11:15a Skin -Brain Gonad Axis and Sexual Behavior.
11:18And I want to emphasize that this was a paper that focused on mice in
11:18And I want to emphasize that this was a paper that focused on mice in
11:18And I want to emphasize that this was a paper that focused on mice in
11:18And I want to emphasize that this was a paper that focused on mice in
11:18And I want to emphasize that this was a paper that focused on mice in
11:18And I want to emphasize that this was a paper that focused on mice in
11:24order to address specific mechanisms, because in mice, you can so -called knock out particular
11:24order to address specific mechanisms, because in mice, you can so -called knock out particular
11:24order to address specific mechanisms, because in mice, you can so -called knock out particular
11:24order to address specific mechanisms, because in mice, you can so -called knock out particular
11:24order to address specific mechanisms, because in mice, you can so -called knock out particular
11:24order to address specific mechanisms, because in mice, you can so -called knock out particular
11:29genes. You can remove particular genes to understand mechanism.
11:29genes. You can remove particular genes to understand mechanism.
11:29genes. You can remove particular genes to understand mechanism.
11:29genes. You can remove particular genes to understand mechanism.
11:29genes. You can remove particular genes to understand mechanism.
11:29genes. You can remove particular genes to understand mechanism.
11:32You just can't do that in humans in any kind of controlled way, at least
11:32You just can't do that in humans in any kind of controlled way, at least
11:32You just can't do that in humans in any kind of controlled way, at least
11:32You just can't do that in humans in any kind of controlled way, at least
11:32You just can't do that in humans in any kind of controlled way, at least
11:32You just can't do that in humans in any kind of controlled way, at least
11:36not at this point in time.
11:36not at this point in time.
11:36not at this point in time.
11:36not at this point in time.
11:36not at this point in time.
11:36not at this point in time.
11:38And this study also explores humans and looked at human subjects, both men and women.
11:38And this study also explores humans and looked at human subjects, both men and women.
11:38And this study also explores humans and looked at human subjects, both men and women.
11:38And this study also explores humans and looked at human subjects, both men and women.
11:38And this study also explores humans and looked at human subjects, both men and women.
11:38And this study also explores humans and looked at human subjects, both men and women.
11:44The basic finding of this study was that when mice or humans were exposed to
11:44The basic finding of this study was that when mice or humans were exposed to
11:44The basic finding of this study was that when mice or humans were exposed to
11:44The basic finding of this study was that when mice or humans were exposed to
11:44The basic finding of this study was that when mice or humans were exposed to
11:44The basic finding of this study was that when mice or humans were exposed to
11:50UVB, meaning ultraviolet blue light, so short wavelength light of the sort that comes through
11:50UVB, meaning ultraviolet blue light, so short wavelength light of the sort that comes through
11:50UVB, meaning ultraviolet blue light, so short wavelength light of the sort that comes through
11:50UVB, meaning ultraviolet blue light, so short wavelength light of the sort that comes through
11:50UVB, meaning ultraviolet blue light, so short wavelength light of the sort that comes through
11:50UVB, meaning ultraviolet blue light, so short wavelength light of the sort that comes through
11:54in sunshine, but is also available through various artificial sources, if they received enough exposure
11:54in sunshine, but is also available through various artificial sources, if they received enough exposure
11:54in sunshine, but is also available through various artificial sources, if they received enough exposure
11:54in sunshine, but is also available through various artificial sources, if they received enough exposure
11:54in sunshine, but is also available through various artificial sources, if they received enough exposure
11:54in sunshine, but is also available through various artificial sources, if they received enough exposure
12:03of that light to their skin, there were increases in testosterone that were observed within
12:03of that light to their skin, there were increases in testosterone that were observed within
12:03of that light to their skin, there were increases in testosterone that were observed within
12:03of that light to their skin, there were increases in testosterone that were observed within
12:03of that light to their skin, there were increases in testosterone that were observed within
12:03of that light to their skin, there were increases in testosterone that were observed within
12:09a very brief period of time, also increases in the hormone estrogen.
12:09a very brief period of time, also increases in the hormone estrogen.
12:09a very brief period of time, also increases in the hormone estrogen.
12:09a very brief period of time, also increases in the hormone estrogen.
12:09a very brief period of time, also increases in the hormone estrogen.
12:09a very brief period of time, also increases in the hormone estrogen.
12:14And I should point out that the proper ratios of estrogen and testosterone were maintained
12:14And I should point out that the proper ratios of estrogen and testosterone were maintained
12:14And I should point out that the proper ratios of estrogen and testosterone were maintained
12:14And I should point out that the proper ratios of estrogen and testosterone were maintained
12:14And I should point out that the proper ratios of estrogen and testosterone were maintained
12:14And I should point out that the proper ratios of estrogen and testosterone were maintained
12:19in both males and females, at least as far as these data indicate.
12:19in both males and females, at least as far as these data indicate.
12:19in both males and females, at least as far as these data indicate.
12:19in both males and females, at least as far as these data indicate.
12:19in both males and females, at least as far as these data indicate.
12:19in both males and females, at least as far as these data indicate.
12:23And mice tended to seek out mating more and mate more.
12:23And mice tended to seek out mating more and mate more.
12:23And mice tended to seek out mating more and mate more.
12:23And mice tended to seek out mating more and mate more.
12:23And mice tended to seek out mating more and mate more.
12:23And mice tended to seek out mating more and mate more.
12:28There were also increases in gonadal weight, literally increases in testes size and in ovarian
12:28There were also increases in gonadal weight, literally increases in testes size and in ovarian
12:28There were also increases in gonadal weight, literally increases in testes size and in ovarian
12:28There were also increases in gonadal weight, literally increases in testes size and in ovarian
12:28There were also increases in gonadal weight, literally increases in testes size and in ovarian
12:28There were also increases in gonadal weight, literally increases in testes size and in ovarian
12:34size when mice were exposed to this UVB light past a certain threshold.
12:34size when mice were exposed to this UVB light past a certain threshold.
12:34size when mice were exposed to this UVB light past a certain threshold.
12:34size when mice were exposed to this UVB light past a certain threshold.
12:34size when mice were exposed to this UVB light past a certain threshold.
12:34size when mice were exposed to this UVB light past a certain threshold.
12:39They did not look at testes size or ovarian size in the human subjects.
12:39They did not look at testes size or ovarian size in the human subjects.
12:39They did not look at testes size or ovarian size in the human subjects.
12:39They did not look at testes size or ovarian size in the human subjects.
12:39They did not look at testes size or ovarian size in the human subjects.
12:39They did not look at testes size or ovarian size in the human subjects.
12:44However, because they are humans, they did address the psychology of these human beings and
12:44However, because they are humans, they did address the psychology of these human beings and
12:44However, because they are humans, they did address the psychology of these human beings and
12:44However, because they are humans, they did address the psychology of these human beings and
12:44However, because they are humans, they did address the psychology of these human beings and
12:44However, because they are humans, they did address the psychology of these human beings and
12:50address whether or not they had increases in, for instance, aggressiveness or in passionate feelings
12:50address whether or not they had increases in, for instance, aggressiveness or in passionate feelings
12:50address whether or not they had increases in, for instance, aggressiveness or in passionate feelings
12:50address whether or not they had increases in, for instance, aggressiveness or in passionate feelings
12:50address whether or not they had increases in, for instance, aggressiveness or in passionate feelings
12:50address whether or not they had increases in, for instance, aggressiveness or in passionate feelings
12:55and how their perception of other people changed when they were getting a lot of
12:55and how their perception of other people changed when they were getting a lot of
12:55and how their perception of other people changed when they were getting a lot of
12:55and how their perception of other people changed when they were getting a lot of
12:55and how their perception of other people changed when they were getting a lot of
12:55and how their perception of other people changed when they were getting a lot of
13:01UVB light exposure to the skin.
13:01UVB light exposure to the skin.
13:01UVB light exposure to the skin.
13:01UVB light exposure to the skin.
13:01UVB light exposure to the skin.
13:01UVB light exposure to the skin.
13:04UVB. Light exposure also changed various aspects of female biology related to fertility, in particular,
13:04UVB. Light exposure also changed various aspects of female biology related to fertility, in particular,
13:04UVB. Light exposure also changed various aspects of female biology related to fertility, in particular,
13:04UVB. Light exposure also changed various aspects of female biology related to fertility, in particular,
13:04UVB. Light exposure also changed various aspects of female biology related to fertility, in particular,
13:04UVB. Light exposure also changed various aspects of female biology related to fertility, in particular,
13:11follicle growth. Follicle and egg maturation are well -known indices of fertility and of course
13:11follicle growth. Follicle and egg maturation are well -known indices of fertility and of course
13:11follicle growth. Follicle and egg maturation are well -known indices of fertility and of course
13:11follicle growth. Follicle and egg maturation are well -known indices of fertility and of course
13:11follicle growth. Follicle and egg maturation are well -known indices of fertility and of course
13:11follicle growth. Follicle and egg maturation are well -known indices of fertility and of course
13:19correlate with the menstrual cycle in adult humans and is related overall to the propensity
13:19correlate with the menstrual cycle in adult humans and is related overall to the propensity
13:19correlate with the menstrual cycle in adult humans and is related overall to the propensity
13:19correlate with the menstrual cycle in adult humans and is related overall to the propensity
13:19correlate with the menstrual cycle in adult humans and is related overall to the propensity
13:19correlate with the menstrual cycle in adult humans and is related overall to the propensity
13:24to become pregnant. UVB light exposure enhanced maturation of the follicle, which just meant that
13:24to become pregnant. UVB light exposure enhanced maturation of the follicle, which just meant that
13:24to become pregnant. UVB light exposure enhanced maturation of the follicle, which just meant that
13:24to become pregnant. UVB light exposure enhanced maturation of the follicle, which just meant that
13:24to become pregnant. UVB light exposure enhanced maturation of the follicle, which just meant that
13:24to become pregnant. UVB light exposure enhanced maturation of the follicle, which just meant that
13:30more healthy eggs were being produced.
13:30more healthy eggs were being produced.
13:30more healthy eggs were being produced.
13:30more healthy eggs were being produced.
13:30more healthy eggs were being produced.
13:30more healthy eggs were being produced.
13:32So in terms of thinking about a protocol to increase testosterone and estrogen, mood and
13:32So in terms of thinking about a protocol to increase testosterone and estrogen, mood and
13:32So in terms of thinking about a protocol to increase testosterone and estrogen, mood and
13:32So in terms of thinking about a protocol to increase testosterone and estrogen, mood and
13:32So in terms of thinking about a protocol to increase testosterone and estrogen, mood and
13:32So in terms of thinking about a protocol to increase testosterone and estrogen, mood and
13:37feelings of passion, the idea is that you would want to get these two to
13:37feelings of passion, the idea is that you would want to get these two to
13:37feelings of passion, the idea is that you would want to get these two to
13:37feelings of passion, the idea is that you would want to get these two to
13:37feelings of passion, the idea is that you would want to get these two to
13:37feelings of passion, the idea is that you would want to get these two to
13:43three exposures per week minimum of 20 to 30 minutes of sunlight exposure onto as
13:43three exposures per week minimum of 20 to 30 minutes of sunlight exposure onto as
13:43three exposures per week minimum of 20 to 30 minutes of sunlight exposure onto as
13:43three exposures per week minimum of 20 to 30 minutes of sunlight exposure onto as
13:43three exposures per week minimum of 20 to 30 minutes of sunlight exposure onto as
13:43three exposures per week minimum of 20 to 30 minutes of sunlight exposure onto as
13:49much of your body as you can reasonably expose it to.
13:49much of your body as you can reasonably expose it to.
13:49much of your body as you can reasonably expose it to.
13:49much of your body as you can reasonably expose it to.
13:49much of your body as you can reasonably expose it to.
13:49much of your body as you can reasonably expose it to.
13:53Another set of very impressive effects of UVB light, whether or not it comes from
13:53Another set of very impressive effects of UVB light, whether or not it comes from
13:53Another set of very impressive effects of UVB light, whether or not it comes from
13:53Another set of very impressive effects of UVB light, whether or not it comes from
13:53Another set of very impressive effects of UVB light, whether or not it comes from
13:53Another set of very impressive effects of UVB light, whether or not it comes from
13:57sunlight or from an artificial source, is the effect of UVB light on our tolerance
13:57sunlight or from an artificial source, is the effect of UVB light on our tolerance
13:57sunlight or from an artificial source, is the effect of UVB light on our tolerance
13:57sunlight or from an artificial source, is the effect of UVB light on our tolerance
13:57sunlight or from an artificial source, is the effect of UVB light on our tolerance
13:57sunlight or from an artificial source, is the effect of UVB light on our tolerance
14:02for pain. It turns out that our tolerance for pain varies across the year and
14:02for pain. It turns out that our tolerance for pain varies across the year and
14:02for pain. It turns out that our tolerance for pain varies across the year and
14:02for pain. It turns out that our tolerance for pain varies across the year and
14:02for pain. It turns out that our tolerance for pain varies across the year and
14:02for pain. It turns out that our tolerance for pain varies across the year and
14:07that our pain tolerance is increased in longer day conditions.
14:07that our pain tolerance is increased in longer day conditions.
14:07that our pain tolerance is increased in longer day conditions.
14:07that our pain tolerance is increased in longer day conditions.
14:07that our pain tolerance is increased in longer day conditions.
14:07that our pain tolerance is increased in longer day conditions.
14:12This is occurring via UVB exposure to the skin and UVB exposure to the eyes.
14:12This is occurring via UVB exposure to the skin and UVB exposure to the eyes.
14:12This is occurring via UVB exposure to the skin and UVB exposure to the eyes.
14:12This is occurring via UVB exposure to the skin and UVB exposure to the eyes.
14:12This is occurring via UVB exposure to the skin and UVB exposure to the eyes.
14:12This is occurring via UVB exposure to the skin and UVB exposure to the eyes.
14:18I want to just describe two studies that really capture the essence of these results.
14:18I want to just describe two studies that really capture the essence of these results.
14:18I want to just describe two studies that really capture the essence of these results.
14:18I want to just describe two studies that really capture the essence of these results.
14:18I want to just describe two studies that really capture the essence of these results.
14:18I want to just describe two studies that really capture the essence of these results.
14:22The first study is entitled Skin Exposure to Ultraviolet B Rapidly Activates Systemic Neuroendocrine and
14:22The first study is entitled Skin Exposure to Ultraviolet B Rapidly Activates Systemic Neuroendocrine and
14:22The first study is entitled Skin Exposure to Ultraviolet B Rapidly Activates Systemic Neuroendocrine and
14:22The first study is entitled Skin Exposure to Ultraviolet B Rapidly Activates Systemic Neuroendocrine and
14:22The first study is entitled Skin Exposure to Ultraviolet B Rapidly Activates Systemic Neuroendocrine and
14:22The first study is entitled Skin Exposure to Ultraviolet B Rapidly Activates Systemic Neuroendocrine and
14:29Immunosuppressive Responses. Basically what they observed is that even one exposure to UVB light changed
14:29Immunosuppressive Responses. Basically what they observed is that even one exposure to UVB light changed
14:29Immunosuppressive Responses. Basically what they observed is that even one exposure to UVB light changed
14:29Immunosuppressive Responses. Basically what they observed is that even one exposure to UVB light changed
14:29Immunosuppressive Responses. Basically what they observed is that even one exposure to UVB light changed
14:29Immunosuppressive Responses. Basically what they observed is that even one exposure to UVB light changed
14:37the output of particular hormones and neurochemicals in the body, such as corticotropin hormone and
14:37the output of particular hormones and neurochemicals in the body, such as corticotropin hormone and
14:37the output of particular hormones and neurochemicals in the body, such as corticotropin hormone and
14:37the output of particular hormones and neurochemicals in the body, such as corticotropin hormone and
14:37the output of particular hormones and neurochemicals in the body, such as corticotropin hormone and
14:37the output of particular hormones and neurochemicals in the body, such as corticotropin hormone and
14:42beta endorphins, which are these endogenous opioids in order to counter pain and act as
14:42beta endorphins, which are these endogenous opioids in order to counter pain and act as
14:42beta endorphins, which are these endogenous opioids in order to counter pain and act as
14:42beta endorphins, which are these endogenous opioids in order to counter pain and act as
14:42beta endorphins, which are these endogenous opioids in order to counter pain and act as
14:42beta endorphins, which are these endogenous opioids in order to counter pain and act as
14:48a somewhat of a psychological soother also.
14:48a somewhat of a psychological soother also.
14:48a somewhat of a psychological soother also.
14:48a somewhat of a psychological soother also.
14:48a somewhat of a psychological soother also.
14:48a somewhat of a psychological soother also.
14:52What they found was that exposure to UVB light increased the release of these beta
14:52What they found was that exposure to UVB light increased the release of these beta
14:52What they found was that exposure to UVB light increased the release of these beta
14:52What they found was that exposure to UVB light increased the release of these beta
14:52What they found was that exposure to UVB light increased the release of these beta
14:52What they found was that exposure to UVB light increased the release of these beta
14:57endorphins. Now, a second study published in the journal Neuron, Cell Press Journal, excellent journal,
14:57endorphins. Now, a second study published in the journal Neuron, Cell Press Journal, excellent journal,
14:57endorphins. Now, a second study published in the journal Neuron, Cell Press Journal, excellent journal,
14:57endorphins. Now, a second study published in the journal Neuron, Cell Press Journal, excellent journal,
14:57endorphins. Now, a second study published in the journal Neuron, Cell Press Journal, excellent journal,
14:57endorphins. Now, a second study published in the journal Neuron, Cell Press Journal, excellent journal,
15:02is entitled A Visual Circuit Related to the Periaqueductal Gray Area for the Anti -Nociceptive
15:02is entitled A Visual Circuit Related to the Periaqueductal Gray Area for the Anti -Nociceptive
15:02is entitled A Visual Circuit Related to the Periaqueductal Gray Area for the Anti -Nociceptive
15:02is entitled A Visual Circuit Related to the Periaqueductal Gray Area for the Anti -Nociceptive
15:02is entitled A Visual Circuit Related to the Periaqueductal Gray Area for the Anti -Nociceptive
15:02is entitled A Visual Circuit Related to the Periaqueductal Gray Area for the Anti -Nociceptive
15:08Effects of Bright Light Treatment.
15:08Effects of Bright Light Treatment.
15:08Effects of Bright Light Treatment.
15:08Effects of Bright Light Treatment.
15:08Effects of Bright Light Treatment.
15:08Effects of Bright Light Treatment.
15:10I'll translate a little bit of that for you.
15:10I'll translate a little bit of that for you.
15:10I'll translate a little bit of that for you.
15:10I'll translate a little bit of that for you.
15:10I'll translate a little bit of that for you.
15:10I'll translate a little bit of that for you.
15:12The periaqueductal gray is a region of the midbrain.
15:12The periaqueductal gray is a region of the midbrain.
15:12The periaqueductal gray is a region of the midbrain.
15:12The periaqueductal gray is a region of the midbrain.
15:12The periaqueductal gray is a region of the midbrain.
15:12The periaqueductal gray is a region of the midbrain.
15:16that contains a lot of neurons that can release endogenous opioids.
15:16that contains a lot of neurons that can release endogenous opioids.
15:16that contains a lot of neurons that can release endogenous opioids.
15:16that contains a lot of neurons that can release endogenous opioids.
15:16that contains a lot of neurons that can release endogenous opioids.
15:16that contains a lot of neurons that can release endogenous opioids.
15:21Things like beta -enkephalin, things like enkephalin, things like mu -opioid.
15:21Things like beta -enkephalin, things like enkephalin, things like mu -opioid.
15:21Things like beta -enkephalin, things like enkephalin, things like mu -opioid.
15:21Things like beta -enkephalin, things like enkephalin, things like mu -opioid.
15:21Things like beta -enkephalin, things like enkephalin, things like mu -opioid.
15:21Things like beta -enkephalin, things like enkephalin, things like mu -opioid.
15:27These are all names of chemicals that your body can manufacture that act as endogenous
15:27These are all names of chemicals that your body can manufacture that act as endogenous
15:27These are all names of chemicals that your body can manufacture that act as endogenous
15:27These are all names of chemicals that your body can manufacture that act as endogenous
15:27These are all names of chemicals that your body can manufacture that act as endogenous
15:27These are all names of chemicals that your body can manufacture that act as endogenous
15:31painkillers and increase your tolerance for pain.
15:31painkillers and increase your tolerance for pain.
15:31painkillers and increase your tolerance for pain.
15:31painkillers and increase your tolerance for pain.
15:31painkillers and increase your tolerance for pain.
15:31painkillers and increase your tolerance for pain.
15:34They actually make you feel less pain overall by shutting down some of the neurons
15:34They actually make you feel less pain overall by shutting down some of the neurons
15:34They actually make you feel less pain overall by shutting down some of the neurons
15:34They actually make you feel less pain overall by shutting down some of the neurons
15:34They actually make you feel less pain overall by shutting down some of the neurons
15:34They actually make you feel less pain overall by shutting down some of the neurons
15:38that perceive pain. They're not going to block the pain response so that you burn
15:38that perceive pain. They're not going to block the pain response so that you burn
15:38that perceive pain. They're not going to block the pain response so that you burn
15:38that perceive pain. They're not going to block the pain response so that you burn
15:38that perceive pain. They're not going to block the pain response so that you burn
15:38that perceive pain. They're not going to block the pain response so that you burn
15:42yourself unnecessarily or harm yourself unnecessarily, but they act as a bit of a painkiller
15:42yourself unnecessarily or harm yourself unnecessarily, but they act as a bit of a painkiller
15:42yourself unnecessarily or harm yourself unnecessarily, but they act as a bit of a painkiller
15:42yourself unnecessarily or harm yourself unnecessarily, but they act as a bit of a painkiller
15:42yourself unnecessarily or harm yourself unnecessarily, but they act as a bit of a painkiller
15:42yourself unnecessarily or harm yourself unnecessarily, but they act as a bit of a painkiller
15:47from the inside. The key finding of this study is that it is light landing
15:47from the inside. The key finding of this study is that it is light landing
15:47from the inside. The key finding of this study is that it is light landing
15:47from the inside. The key finding of this study is that it is light landing
15:47from the inside. The key finding of this study is that it is light landing
15:47from the inside. The key finding of this study is that it is light landing
15:52on the eyes is captured by these melanopsin cells.
15:52on the eyes is captured by these melanopsin cells.
15:52on the eyes is captured by these melanopsin cells.
15:52on the eyes is captured by these melanopsin cells.
15:52on the eyes is captured by these melanopsin cells.
15:52on the eyes is captured by these melanopsin cells.
15:56They absorb that light, translate that light into electrical signals that are handed off to
15:56They absorb that light, translate that light into electrical signals that are handed off to
15:56They absorb that light, translate that light into electrical signals that are handed off to
15:56They absorb that light, translate that light into electrical signals that are handed off to
15:56They absorb that light, translate that light into electrical signals that are handed off to
15:56They absorb that light, translate that light into electrical signals that are handed off to
16:01areas of the brain to evoke the release of these endogenous opioids that soothe you
16:01areas of the brain to evoke the release of these endogenous opioids that soothe you
16:01areas of the brain to evoke the release of these endogenous opioids that soothe you
16:01areas of the brain to evoke the release of these endogenous opioids that soothe you
16:01areas of the brain to evoke the release of these endogenous opioids that soothe you
16:01areas of the brain to evoke the release of these endogenous opioids that soothe you
16:06and lead to less perception of pain.
16:06and lead to less perception of pain.
16:06and lead to less perception of pain.
16:06and lead to less perception of pain.
16:06and lead to less perception of pain.
16:06and lead to less perception of pain.
16:09So for those of you that are thinking tools and protocols, try to get some
16:09So for those of you that are thinking tools and protocols, try to get some
16:09So for those of you that are thinking tools and protocols, try to get some
16:09So for those of you that are thinking tools and protocols, try to get some
16:09So for those of you that are thinking tools and protocols, try to get some
16:09So for those of you that are thinking tools and protocols, try to get some
16:13UVB exposure. Ideally from sunlight.
16:13UVB exposure. Ideally from sunlight.
16:13UVB exposure. Ideally from sunlight.
16:13UVB exposure. Ideally from sunlight.
16:13UVB exposure. Ideally from sunlight.
16:13UVB exposure. Ideally from sunlight.
16:16I think the 20 to 30 minute protocol two or three times per week is
16:16I think the 20 to 30 minute protocol two or three times per week is
16:16I think the 20 to 30 minute protocol two or three times per week is
16:16I think the 20 to 30 minute protocol two or three times per week is
16:16I think the 20 to 30 minute protocol two or three times per week is
16:16I think the 20 to 30 minute protocol two or three times per week is
16:19an excellent one. Even on a cloud covered day, you are going to get far
16:19an excellent one. Even on a cloud covered day, you are going to get far
16:19an excellent one. Even on a cloud covered day, you are going to get far
16:19an excellent one. Even on a cloud covered day, you are going to get far
16:19an excellent one. Even on a cloud covered day, you are going to get far
16:19an excellent one. Even on a cloud covered day, you are going to get far
16:24more light energy, photons through cloud cover than you are going to get from an
16:24more light energy, photons through cloud cover than you are going to get from an
16:24more light energy, photons through cloud cover than you are going to get from an
16:24more light energy, photons through cloud cover than you are going to get from an
16:24more light energy, photons through cloud cover than you are going to get from an
16:24more light energy, photons through cloud cover than you are going to get from an
16:30indoor light source, an artificial light source.
16:30indoor light source, an artificial light source.
16:30indoor light source, an artificial light source.
16:30indoor light source, an artificial light source.
16:30indoor light source, an artificial light source.
16:30indoor light source, an artificial light source.
16:33If you see some sunlight throughout the day, you would do yourself a great favor
16:33If you see some sunlight throughout the day, you would do yourself a great favor
16:33If you see some sunlight throughout the day, you would do yourself a great favor
16:33If you see some sunlight throughout the day, you would do yourself a great favor
16:33If you see some sunlight throughout the day, you would do yourself a great favor
16:33If you see some sunlight throughout the day, you would do yourself a great favor
16:37to try and chase some of that sunlight and get into that sunlight.
16:37to try and chase some of that sunlight and get into that sunlight.
16:37to try and chase some of that sunlight and get into that sunlight.
16:37to try and chase some of that sunlight and get into that sunlight.
16:37to try and chase some of that sunlight and get into that sunlight.
16:37to try and chase some of that sunlight and get into that sunlight.
16:41Never ever look at any light, artificial sunlight or otherwise, that's so bright that it's
16:41Never ever look at any light, artificial sunlight or otherwise, that's so bright that it's
16:41Never ever look at any light, artificial sunlight or otherwise, that's so bright that it's
16:41Never ever look at any light, artificial sunlight or otherwise, that's so bright that it's
16:41Never ever look at any light, artificial sunlight or otherwise, that's so bright that it's
16:41Never ever look at any light, artificial sunlight or otherwise, that's so bright that it's
16:45painful to look at. It's fine to get that light arriving on your eyes indirectly.
16:45painful to look at. It's fine to get that light arriving on your eyes indirectly.
16:45painful to look at. It's fine to get that light arriving on your eyes indirectly.
16:45painful to look at. It's fine to get that light arriving on your eyes indirectly.
16:45painful to look at. It's fine to get that light arriving on your eyes indirectly.
16:45painful to look at. It's fine to get that light arriving on your eyes indirectly.
16:49It's fine to wear eyeglasses or contact lenses.
16:49It's fine to wear eyeglasses or contact lenses.
16:49It's fine to wear eyeglasses or contact lenses.
16:49It's fine to wear eyeglasses or contact lenses.
16:49It's fine to wear eyeglasses or contact lenses.
16:49It's fine to wear eyeglasses or contact lenses.
16:52In fact, if you think about the biology of the eye and the way that
16:52In fact, if you think about the biology of the eye and the way that
16:52In fact, if you think about the biology of the eye and the way that
16:52In fact, if you think about the biology of the eye and the way that
16:52In fact, if you think about the biology of the eye and the way that
16:52In fact, if you think about the biology of the eye and the way that
16:55those lenses work, they will just serve to focus that light onto the very cells
16:55those lenses work, they will just serve to focus that light onto the very cells
16:55those lenses work, they will just serve to focus that light onto the very cells
16:55those lenses work, they will just serve to focus that light onto the very cells
16:55those lenses work, they will just serve to focus that light onto the very cells
16:55those lenses work, they will just serve to focus that light onto the very cells
16:59that you want those light beams to be delivered to.
16:59that you want those light beams to be delivered to.
16:59that you want those light beams to be delivered to.
16:59that you want those light beams to be delivered to.
16:59that you want those light beams to be delivered to.
16:59that you want those light beams to be delivered to.
17:02Whereas sunglasses that are highly reflective or trying to get your sunlight exposure through a
17:02Whereas sunglasses that are highly reflective or trying to get your sunlight exposure through a
17:02Whereas sunglasses that are highly reflective or trying to get your sunlight exposure through a
17:02Whereas sunglasses that are highly reflective or trying to get your sunlight exposure through a
17:02Whereas sunglasses that are highly reflective or trying to get your sunlight exposure through a
17:02Whereas sunglasses that are highly reflective or trying to get your sunlight exposure through a
17:07windshield of a car or through a window simply won't work.
17:07windshield of a car or through a window simply won't work.
17:07windshield of a car or through a window simply won't work.
17:07windshield of a car or through a window simply won't work.
17:07windshield of a car or through a window simply won't work.
17:07windshield of a car or through a window simply won't work.
17:11Most windows are designed to filter out the UVB light.
17:11Most windows are designed to filter out the UVB light.
17:11Most windows are designed to filter out the UVB light.
17:11Most windows are designed to filter out the UVB light.
17:11Most windows are designed to filter out the UVB light.
17:11Most windows are designed to filter out the UVB light.
17:15And if you're somebody who's really keen on blue blockers and you're wearing your blue
17:15And if you're somebody who's really keen on blue blockers and you're wearing your blue
17:15And if you're somebody who's really keen on blue blockers and you're wearing your blue
17:15And if you're somebody who's really keen on blue blockers and you're wearing your blue
17:15And if you're somebody who's really keen on blue blockers and you're wearing your blue
17:15And if you're somebody who's really keen on blue blockers and you're wearing your blue
17:18blockers all day, well, don't wear them outside.
17:18blockers all day, well, don't wear them outside.
17:18blockers all day, well, don't wear them outside.
17:18blockers all day, well, don't wear them outside.
17:18blockers all day, well, don't wear them outside.
17:18blockers all day, well, don't wear them outside.
17:22And in fact, you're probably doing yourself a disservice by wearing them in the morning
17:22And in fact, you're probably doing yourself a disservice by wearing them in the morning
17:22And in fact, you're probably doing yourself a disservice by wearing them in the morning
17:22And in fact, you're probably doing yourself a disservice by wearing them in the morning
17:22And in fact, you're probably doing yourself a disservice by wearing them in the morning
17:22And in fact, you're probably doing yourself a disservice by wearing them in the morning
17:26and in the daytime. There certainly is a place for blue blockers in the evening
17:26and in the daytime. There certainly is a place for blue blockers in the evening
17:26and in the daytime. There certainly is a place for blue blockers in the evening
17:26and in the daytime. There certainly is a place for blue blockers in the evening
17:26and in the daytime. There certainly is a place for blue blockers in the evening
17:26and in the daytime. There certainly is a place for blue blockers in the evening
17:30and nighttime if you're having issues with falling and staying asleep.
17:30and nighttime if you're having issues with falling and staying asleep.
17:30and nighttime if you're having issues with falling and staying asleep.
17:30and nighttime if you're having issues with falling and staying asleep.
17:30and nighttime if you're having issues with falling and staying asleep.
17:30and nighttime if you're having issues with falling and staying asleep.
17:33But if you think about it, blue blockers, what they're really doing is blocking those
17:33But if you think about it, blue blockers, what they're really doing is blocking those
17:33But if you think about it, blue blockers, what they're really doing is blocking those
17:33But if you think about it, blue blockers, what they're really doing is blocking those
17:33But if you think about it, blue blockers, what they're really doing is blocking those
17:33But if you think about it, blue blockers, what they're really doing is blocking those
17:36short wavelength, UVB wavelengths of light that you so desperately need to arrive at your
17:36short wavelength, UVB wavelengths of light that you so desperately need to arrive at your
17:36short wavelength, UVB wavelengths of light that you so desperately need to arrive at your
17:36short wavelength, UVB wavelengths of light that you so desperately need to arrive at your
17:36short wavelength, UVB wavelengths of light that you so desperately need to arrive at your
17:36short wavelength, UVB wavelengths of light that you so desperately need to arrive at your
17:42retina and of course also onto your skin in order to get these powerful biological
17:42retina and of course also onto your skin in order to get these powerful biological
17:42retina and of course also onto your skin in order to get these powerful biological
17:42retina and of course also onto your skin in order to get these powerful biological
17:42retina and of course also onto your skin in order to get these powerful biological
17:42retina and of course also onto your skin in order to get these powerful biological
17:47effects on hormones and on pain reduction.
17:47effects on hormones and on pain reduction.
17:47effects on hormones and on pain reduction.
17:47effects on hormones and on pain reduction.
17:47effects on hormones and on pain reduction.
17:47effects on hormones and on pain reduction.
17:50These data also might make you think a little bit about whether or not you
17:50These data also might make you think a little bit about whether or not you
17:50These data also might make you think a little bit about whether or not you
17:50These data also might make you think a little bit about whether or not you
17:50These data also might make you think a little bit about whether or not you
17:50These data also might make you think a little bit about whether or not you
17:53should wear short sleeves or long sleeves, whether or not you want to wear shorts
17:53should wear short sleeves or long sleeves, whether or not you want to wear shorts
17:53should wear short sleeves or long sleeves, whether or not you want to wear shorts
17:53should wear short sleeves or long sleeves, whether or not you want to wear shorts
17:53should wear short sleeves or long sleeves, whether or not you want to wear shorts
17:53should wear short sleeves or long sleeves, whether or not you want to wear shorts
17:56or a skirt or pants, but you might take into consideration that it is the
17:56or a skirt or pants, but you might take into consideration that it is the
17:56or a skirt or pants, but you might take into consideration that it is the
17:56or a skirt or pants, but you might take into consideration that it is the
17:56or a skirt or pants, but you might take into consideration that it is the
17:56or a skirt or pants, but you might take into consideration that it is the
18:00total amount of skin exposure that is going to allow you to capture more or
18:00total amount of skin exposure that is going to allow you to capture more or
18:00total amount of skin exposure that is going to allow you to capture more or
18:00total amount of skin exposure that is going to allow you to capture more or
18:00total amount of skin exposure that is going to allow you to capture more or
18:00total amount of skin exposure that is going to allow you to capture more or
18:05fewer photons depending on, for instance, if you're completely cloaked in clothing and you're just
18:05fewer photons depending on, for instance, if you're completely cloaked in clothing and you're just
18:05fewer photons depending on, for instance, if you're completely cloaked in clothing and you're just
18:05fewer photons depending on, for instance, if you're completely cloaked in clothing and you're just
18:05fewer photons depending on, for instance, if you're completely cloaked in clothing and you're just
18:05fewer photons depending on, for instance, if you're completely cloaked in clothing and you're just
18:10exposed in the hands, neck and face, such as I am now, or whether or
18:10exposed in the hands, neck and face, such as I am now, or whether or
18:10exposed in the hands, neck and face, such as I am now, or whether or
18:10exposed in the hands, neck and face, such as I am now, or whether or
18:10exposed in the hands, neck and face, such as I am now, or whether or
18:10exposed in the hands, neck and face, such as I am now, or whether or
18:15not you're outside in shorts and a t -shirt, you're going to get very, very
18:15not you're outside in shorts and a t -shirt, you're going to get very, very
18:15not you're outside in shorts and a t -shirt, you're going to get very, very
18:15not you're outside in shorts and a t -shirt, you're going to get very, very
18:15not you're outside in shorts and a t -shirt, you're going to get very, very
18:15not you're outside in shorts and a t -shirt, you're going to get very, very
18:19different patterns of biological signaling activation in those two circumstances.
18:19different patterns of biological signaling activation in those two circumstances.
18:19different patterns of biological signaling activation in those two circumstances.
18:19different patterns of biological signaling activation in those two circumstances.
18:19different patterns of biological signaling activation in those two circumstances.
18:19different patterns of biological signaling activation in those two circumstances.
18:25If you're a regular listener of the Huberman Lab podcast, you've no doubt heard me
18:25If you're a regular listener of the Huberman Lab podcast, you've no doubt heard me
18:25If you're a regular listener of the Huberman Lab podcast, you've no doubt heard me
18:25If you're a regular listener of the Huberman Lab podcast, you've no doubt heard me
18:25If you're a regular listener of the Huberman Lab podcast, you've no doubt heard me
18:25If you're a regular listener of the Huberman Lab podcast, you've no doubt heard me
18:29talk about the vitamin mineral probiotic drink, AG1.
18:29talk about the vitamin mineral probiotic drink, AG1.
18:29talk about the vitamin mineral probiotic drink, AG1.
18:29talk about the vitamin mineral probiotic drink, AG1.
18:29talk about the vitamin mineral probiotic drink, AG1.
18:29talk about the vitamin mineral probiotic drink, AG1.
18:32And if you've been on the fence about it, now's an awesome time to give
18:32And if you've been on the fence about it, now's an awesome time to give
18:32And if you've been on the fence about it, now's an awesome time to give
18:32And if you've been on the fence about it, now's an awesome time to give
18:32And if you've been on the fence about it, now's an awesome time to give
18:32And if you've been on the fence about it, now's an awesome time to give
18:35it a try. For the next few weeks, AG1 is giving away a full supplement
18:35it a try. For the next few weeks, AG1 is giving away a full supplement
18:35it a try. For the next few weeks, AG1 is giving away a full supplement
18:35it a try. For the next few weeks, AG1 is giving away a full supplement
18:35it a try. For the next few weeks, AG1 is giving away a full supplement
18:35it a try. For the next few weeks, AG1 is giving away a full supplement
18:39package with your first subscription to AG1.
18:39package with your first subscription to AG1.
18:39package with your first subscription to AG1.
18:39package with your first subscription to AG1.
18:39package with your first subscription to AG1.
18:39package with your first subscription to AG1.
18:42They're giving away a free bottle of vitamin D3K2, a bottle of omega -3 fish
18:42They're giving away a free bottle of vitamin D3K2, a bottle of omega -3 fish
18:42They're giving away a free bottle of vitamin D3K2, a bottle of omega -3 fish
18:42They're giving away a free bottle of vitamin D3K2, a bottle of omega -3 fish
18:42They're giving away a free bottle of vitamin D3K2, a bottle of omega -3 fish
18:42They're giving away a free bottle of vitamin D3K2, a bottle of omega -3 fish
18:47oil capsules, and a sample pack of the new sleep formula, AGZ, which by the
18:47oil capsules, and a sample pack of the new sleep formula, AGZ, which by the
18:47oil capsules, and a sample pack of the new sleep formula, AGZ, which by the
18:47oil capsules, and a sample pack of the new sleep formula, AGZ, which by the
18:47oil capsules, and a sample pack of the new sleep formula, AGZ, which by the
18:47oil capsules, and a sample pack of the new sleep formula, AGZ, which by the
18:51way is now the only sleep supplement I take.
18:51way is now the only sleep supplement I take.
18:51way is now the only sleep supplement I take.
18:51way is now the only sleep supplement I take.
18:51way is now the only sleep supplement I take.
18:51way is now the only sleep supplement I take.
18:54It's fantastic. My sleep on AGZ is out of this world good.
18:54It's fantastic. My sleep on AGZ is out of this world good.
18:54It's fantastic. My sleep on AGZ is out of this world good.
18:54It's fantastic. My sleep on AGZ is out of this world good.
18:54It's fantastic. My sleep on AGZ is out of this world good.
18:54It's fantastic. My sleep on AGZ is out of this world good.
18:58AGZ is a drink, so it eliminates the need to take a lot of pills.
18:58AGZ is a drink, so it eliminates the need to take a lot of pills.
18:58AGZ is a drink, so it eliminates the need to take a lot of pills.
18:58AGZ is a drink, so it eliminates the need to take a lot of pills.
18:58AGZ is a drink, so it eliminates the need to take a lot of pills.
18:58AGZ is a drink, so it eliminates the need to take a lot of pills.
19:01It tastes great. And like I said, it has me sleeping incredibly well, waking up
19:01It tastes great. And like I said, it has me sleeping incredibly well, waking up
19:01It tastes great. And like I said, it has me sleeping incredibly well, waking up
19:01It tastes great. And like I said, it has me sleeping incredibly well, waking up
19:01It tastes great. And like I said, it has me sleeping incredibly well, waking up
19:01It tastes great. And like I said, it has me sleeping incredibly well, waking up
19:06more refreshed than ever. I absolutely love it.
19:06more refreshed than ever. I absolutely love it.
19:06more refreshed than ever. I absolutely love it.
19:06more refreshed than ever. I absolutely love it.
19:06more refreshed than ever. I absolutely love it.
19:06more refreshed than ever. I absolutely love it.
19:09Again, this is a limited time offer, so make sure to go to drinkag1 .com
19:09Again, this is a limited time offer, so make sure to go to drinkag1 .com
19:09Again, this is a limited time offer, so make sure to go to drinkag1 .com
19:09Again, this is a limited time offer, so make sure to go to drinkag1 .com
19:09Again, this is a limited time offer, so make sure to go to drinkag1 .com
19:09Again, this is a limited time offer, so make sure to go to drinkag1 .com
19:13slash Huberman to get started today.
19:13slash Huberman to get started today.
19:13slash Huberman to get started today.
19:13slash Huberman to get started today.
19:13slash Huberman to get started today.
19:13slash Huberman to get started today.
19:16Many of you, I'm guessing, are wondering whether or not you should seek out UVB
19:16Many of you, I'm guessing, are wondering whether or not you should seek out UVB
19:16Many of you, I'm guessing, are wondering whether or not you should seek out UVB
19:16Many of you, I'm guessing, are wondering whether or not you should seek out UVB
19:16Many of you, I'm guessing, are wondering whether or not you should seek out UVB
19:16Many of you, I'm guessing, are wondering whether or not you should seek out UVB
19:20exposure throughout the entire year or only in the summer months.
19:20exposure throughout the entire year or only in the summer months.
19:20exposure throughout the entire year or only in the summer months.
19:20exposure throughout the entire year or only in the summer months.
19:20exposure throughout the entire year or only in the summer months.
19:20exposure throughout the entire year or only in the summer months.
19:23And that's sort of going to depend on whether or not you experience depression in
19:23And that's sort of going to depend on whether or not you experience depression in
19:23And that's sort of going to depend on whether or not you experience depression in
19:23And that's sort of going to depend on whether or not you experience depression in
19:23And that's sort of going to depend on whether or not you experience depression in
19:23And that's sort of going to depend on whether or not you experience depression in
19:29the winter months, so -called seasonal affective disorder.
19:29the winter months, so -called seasonal affective disorder.
19:29the winter months, so -called seasonal affective disorder.
19:29the winter months, so -called seasonal affective disorder.
19:29the winter months, so -called seasonal affective disorder.
19:29the winter months, so -called seasonal affective disorder.
19:32Some people have mild, some people have severe forms of seasonal affective disorder.
19:32Some people have mild, some people have severe forms of seasonal affective disorder.
19:32Some people have mild, some people have severe forms of seasonal affective disorder.
19:32Some people have mild, some people have severe forms of seasonal affective disorder.
19:32Some people have mild, some people have severe forms of seasonal affective disorder.
19:32Some people have mild, some people have severe forms of seasonal affective disorder.
19:35Some people love the fall and winter and the shorter days.
19:35Some people love the fall and winter and the shorter days.
19:35Some people love the fall and winter and the shorter days.
19:35Some people love the fall and winter and the shorter days.
19:35Some people love the fall and winter and the shorter days.
19:35Some people love the fall and winter and the shorter days.
19:38Really, it has to be considered on a case -by -case basis.
19:38Really, it has to be considered on a case -by -case basis.
19:38Really, it has to be considered on a case -by -case basis.
19:38Really, it has to be considered on a case -by -case basis.
19:38Really, it has to be considered on a case -by -case basis.
19:38Really, it has to be considered on a case -by -case basis.
19:41I personally believe, and this was reinforced by the director of the chronobiology unit at
19:41I personally believe, and this was reinforced by the director of the chronobiology unit at
19:41I personally believe, and this was reinforced by the director of the chronobiology unit at
19:41I personally believe, and this was reinforced by the director of the chronobiology unit at
19:41I personally believe, and this was reinforced by the director of the chronobiology unit at
19:41I personally believe, and this was reinforced by the director of the chronobiology unit at
19:47the National Institutes of Mental Health, Samer Hattar, that we would all do well to
19:47the National Institutes of Mental Health, Samer Hattar, that we would all do well to
19:47the National Institutes of Mental Health, Samer Hattar, that we would all do well to
19:47the National Institutes of Mental Health, Samer Hattar, that we would all do well to
19:47the National Institutes of Mental Health, Samer Hattar, that we would all do well to
19:47the National Institutes of Mental Health, Samer Hattar, that we would all do well to
19:51get more UVB exposure from sunlight throughout the entire year, provided we aren't burning our
19:51get more UVB exposure from sunlight throughout the entire year, provided we aren't burning our
19:51get more UVB exposure from sunlight throughout the entire year, provided we aren't burning our
19:51get more UVB exposure from sunlight throughout the entire year, provided we aren't burning our
19:51get more UVB exposure from sunlight throughout the entire year, provided we aren't burning our
19:51get more UVB exposure from sunlight throughout the entire year, provided we aren't burning our
19:57skin or damaging our eyes in some way.
19:57skin or damaging our eyes in some way.
19:57skin or damaging our eyes in some way.
19:57skin or damaging our eyes in some way.
19:57skin or damaging our eyes in some way.
19:57skin or damaging our eyes in some way.
20:00In addition to that, during the winter months, if you do experience some drop in
20:00In addition to that, during the winter months, if you do experience some drop in
20:00In addition to that, during the winter months, if you do experience some drop in
20:00In addition to that, during the winter months, if you do experience some drop in
20:00In addition to that, during the winter months, if you do experience some drop in
20:00In addition to that, during the winter months, if you do experience some drop in
20:05energy or increase in depression or psychological lows, it can be very beneficial to access
20:05energy or increase in depression or psychological lows, it can be very beneficial to access
20:05energy or increase in depression or psychological lows, it can be very beneficial to access
20:05energy or increase in depression or psychological lows, it can be very beneficial to access
20:05energy or increase in depression or psychological lows, it can be very beneficial to access
20:05energy or increase in depression or psychological lows, it can be very beneficial to access
20:13a sad lamp, or if you don't want to buy a sad lamp, because oftentimes
20:13a sad lamp, or if you don't want to buy a sad lamp, because oftentimes
20:13a sad lamp, or if you don't want to buy a sad lamp, because oftentimes
20:13a sad lamp, or if you don't want to buy a sad lamp, because oftentimes
20:13a sad lamp, or if you don't want to buy a sad lamp, because oftentimes
20:13a sad lamp, or if you don't want to buy a sad lamp, because oftentimes
20:17they can be very expensive, you might do well to simply get a LED lighting
20:17they can be very expensive, you might do well to simply get a LED lighting
20:17they can be very expensive, you might do well to simply get a LED lighting
20:17they can be very expensive, you might do well to simply get a LED lighting
20:17they can be very expensive, you might do well to simply get a LED lighting
20:17they can be very expensive, you might do well to simply get a LED lighting
20:22panel, very inexpensive compared to the typical sad lamp.
20:22panel, very inexpensive compared to the typical sad lamp.
20:22panel, very inexpensive compared to the typical sad lamp.
20:22panel, very inexpensive compared to the typical sad lamp.
20:22panel, very inexpensive compared to the typical sad lamp.
20:22panel, very inexpensive compared to the typical sad lamp.
20:25I actually have one and I position on my desk all day long.
20:25I actually have one and I position on my desk all day long.
20:25I actually have one and I position on my desk all day long.
20:25I actually have one and I position on my desk all day long.
20:25I actually have one and I position on my desk all day long.
20:25I actually have one and I position on my desk all day long.
20:27I also happen to have skylights above my desk.
20:27I also happen to have skylights above my desk.
20:27I also happen to have skylights above my desk.
20:27I also happen to have skylights above my desk.
20:27I also happen to have skylights above my desk.
20:27I also happen to have skylights above my desk.
20:30I'm fairly sensitive to the effects of light.
20:30I'm fairly sensitive to the effects of light.
20:30I'm fairly sensitive to the effects of light.
20:30I'm fairly sensitive to the effects of light.
20:30I'm fairly sensitive to the effects of light.
20:30I'm fairly sensitive to the effects of light.
20:32So in longer days, I feel much better than I do in shorter days.
20:32So in longer days, I feel much better than I do in shorter days.
20:32So in longer days, I feel much better than I do in shorter days.
20:32So in longer days, I feel much better than I do in shorter days.
20:32So in longer days, I feel much better than I do in shorter days.
20:32So in longer days, I feel much better than I do in shorter days.
20:34I've never suffered from full -blown seasonal affective disorder, but I keep that light source
20:34I've never suffered from full -blown seasonal affective disorder, but I keep that light source
20:34I've never suffered from full -blown seasonal affective disorder, but I keep that light source
20:34I've never suffered from full -blown seasonal affective disorder, but I keep that light source
20:34I've never suffered from full -blown seasonal affective disorder, but I keep that light source
20:34I've never suffered from full -blown seasonal affective disorder, but I keep that light source
20:39on throughout the day, throughout the year, but I also make it a point to
20:39on throughout the day, throughout the year, but I also make it a point to
20:39on throughout the day, throughout the year, but I also make it a point to
20:39on throughout the day, throughout the year, but I also make it a point to
20:39on throughout the day, throughout the year, but I also make it a point to
20:39on throughout the day, throughout the year, but I also make it a point to
20:43get outside and get sunlight early in the morning and several times throughout the day.
20:43get outside and get sunlight early in the morning and several times throughout the day.
20:43get outside and get sunlight early in the morning and several times throughout the day.
20:43get outside and get sunlight early in the morning and several times throughout the day.
20:43get outside and get sunlight early in the morning and several times throughout the day.
20:43get outside and get sunlight early in the morning and several times throughout the day.
20:46People that are blind, provided they still have eyes, often maintain these melanopsin cells.
20:46People that are blind, provided they still have eyes, often maintain these melanopsin cells.
20:46People that are blind, provided they still have eyes, often maintain these melanopsin cells.
20:46People that are blind, provided they still have eyes, often maintain these melanopsin cells.
20:46People that are blind, provided they still have eyes, often maintain these melanopsin cells.
20:46People that are blind, provided they still have eyes, often maintain these melanopsin cells.
20:52So even if you're low vision or no vision, getting UVB exposure to your eyes
20:52So even if you're low vision or no vision, getting UVB exposure to your eyes
20:52So even if you're low vision or no vision, getting UVB exposure to your eyes
20:52So even if you're low vision or no vision, getting UVB exposure to your eyes
20:52So even if you're low vision or no vision, getting UVB exposure to your eyes
20:52So even if you're low vision or no vision, getting UVB exposure to your eyes
20:56can be very beneficial for sake of mood, hormone pathways, pain reduction, and so forth.
20:56can be very beneficial for sake of mood, hormone pathways, pain reduction, and so forth.
20:56can be very beneficial for sake of mood, hormone pathways, pain reduction, and so forth.
20:56can be very beneficial for sake of mood, hormone pathways, pain reduction, and so forth.
20:56can be very beneficial for sake of mood, hormone pathways, pain reduction, and so forth.
20:56can be very beneficial for sake of mood, hormone pathways, pain reduction, and so forth.
21:02A cautionary note, people who have retinitis pigmentosa, macular degeneration or glaucoma, as well as
21:02A cautionary note, people who have retinitis pigmentosa, macular degeneration or glaucoma, as well as
21:02A cautionary note, people who have retinitis pigmentosa, macular degeneration or glaucoma, as well as
21:02A cautionary note, people who have retinitis pigmentosa, macular degeneration or glaucoma, as well as
21:02A cautionary note, people who have retinitis pigmentosa, macular degeneration or glaucoma, as well as
21:02A cautionary note, people who have retinitis pigmentosa, macular degeneration or glaucoma, as well as
21:10people who are especially prone to skin cancers, should definitely consult with your ophthalmologist and
21:10people who are especially prone to skin cancers, should definitely consult with your ophthalmologist and
21:10people who are especially prone to skin cancers, should definitely consult with your ophthalmologist and
21:10people who are especially prone to skin cancers, should definitely consult with your ophthalmologist and
21:10people who are especially prone to skin cancers, should definitely consult with your ophthalmologist and
21:10people who are especially prone to skin cancers, should definitely consult with your ophthalmologist and
21:16dermatologist before you start increasing the total amount of UVB exposure that you're getting from
21:16dermatologist before you start increasing the total amount of UVB exposure that you're getting from
21:16dermatologist before you start increasing the total amount of UVB exposure that you're getting from
21:16dermatologist before you start increasing the total amount of UVB exposure that you're getting from
21:16dermatologist before you start increasing the total amount of UVB exposure that you're getting from
21:16dermatologist before you start increasing the total amount of UVB exposure that you're getting from
21:21any source, sunlight or otherwise.
21:21any source, sunlight or otherwise.
21:21any source, sunlight or otherwise.
21:21any source, sunlight or otherwise.
21:21any source, sunlight or otherwise.
21:21any source, sunlight or otherwise.
21:23There are additional very interesting and powerful effects of UVB light in particular on immune
21:23There are additional very interesting and powerful effects of UVB light in particular on immune
21:23There are additional very interesting and powerful effects of UVB light in particular on immune
21:23There are additional very interesting and powerful effects of UVB light in particular on immune
21:23There are additional very interesting and powerful effects of UVB light in particular on immune
21:23There are additional very interesting and powerful effects of UVB light in particular on immune
21:30function. All the organs of our body are inside our skin.
21:30function. All the organs of our body are inside our skin.
21:30function. All the organs of our body are inside our skin.
21:30function. All the organs of our body are inside our skin.
21:30function. All the organs of our body are inside our skin.
21:30function. All the organs of our body are inside our skin.
21:33And so information about external conditions, meaning the environment that we're in need to be
21:33And so information about external conditions, meaning the environment that we're in need to be
21:33And so information about external conditions, meaning the environment that we're in need to be
21:33And so information about external conditions, meaning the environment that we're in need to be
21:33And so information about external conditions, meaning the environment that we're in need to be
21:33And so information about external conditions, meaning the environment that we're in need to be
21:39communicated to the various organs of your body, such as your spleen, which is involved
21:39communicated to the various organs of your body, such as your spleen, which is involved
21:39communicated to the various organs of your body, such as your spleen, which is involved
21:39communicated to the various organs of your body, such as your spleen, which is involved
21:39communicated to the various organs of your body, such as your spleen, which is involved
21:39communicated to the various organs of your body, such as your spleen, which is involved
21:43in the creation of molecules and cells that combat infection.
21:43in the creation of molecules and cells that combat infection.
21:43in the creation of molecules and cells that combat infection.
21:43in the creation of molecules and cells that combat infection.
21:43in the creation of molecules and cells that combat infection.
21:43in the creation of molecules and cells that combat infection.
21:47There are beautiful studies showing that if we get more UVB exposure from sunlight or
21:47There are beautiful studies showing that if we get more UVB exposure from sunlight or
21:47There are beautiful studies showing that if we get more UVB exposure from sunlight or
21:47There are beautiful studies showing that if we get more UVB exposure from sunlight or
21:47There are beautiful studies showing that if we get more UVB exposure from sunlight or
21:47There are beautiful studies showing that if we get more UVB exposure from sunlight or
21:53from appropriate artificial sources, that spleen and immune function are enhanced.
21:53from appropriate artificial sources, that spleen and immune function are enhanced.
21:53from appropriate artificial sources, that spleen and immune function are enhanced.
21:53from appropriate artificial sources, that spleen and immune function are enhanced.
21:53from appropriate artificial sources, that spleen and immune function are enhanced.
21:53from appropriate artificial sources, that spleen and immune function are enhanced.
22:00And there's a very logical, well -established circuit as to how that happens.
22:00And there's a very logical, well -established circuit as to how that happens.
22:00And there's a very logical, well -established circuit as to how that happens.
22:00And there's a very logical, well -established circuit as to how that happens.
22:00And there's a very logical, well -established circuit as to how that happens.
22:00And there's a very logical, well -established circuit as to how that happens.
22:06Your brain actually connects to your spleen.
22:06Your brain actually connects to your spleen.
22:06Your brain actually connects to your spleen.
22:06Your brain actually connects to your spleen.
22:06Your brain actually connects to your spleen.
22:06Your brain actually connects to your spleen.
22:09UVB light arriving on the eyes is known to trigger activation of the neurons within
22:09UVB light arriving on the eyes is known to trigger activation of the neurons within
22:09UVB light arriving on the eyes is known to trigger activation of the neurons within
22:09UVB light arriving on the eyes is known to trigger activation of the neurons within
22:09UVB light arriving on the eyes is known to trigger activation of the neurons within
22:09UVB light arriving on the eyes is known to trigger activation of the neurons within
22:14the so -called sympathetic nervous system.
22:14the so -called sympathetic nervous system.
22:14the so -called sympathetic nervous system.
22:14the so -called sympathetic nervous system.
22:14the so -called sympathetic nervous system.
22:14the so -called sympathetic nervous system.
22:16These neurons are part of the larger thing that we call the autonomic nervous system,
22:16These neurons are part of the larger thing that we call the autonomic nervous system,
22:16These neurons are part of the larger thing that we call the autonomic nervous system,
22:16These neurons are part of the larger thing that we call the autonomic nervous system,
22:16These neurons are part of the larger thing that we call the autonomic nervous system,
22:16These neurons are part of the larger thing that we call the autonomic nervous system,
22:21meaning it's below or not accessible by conscious control.
22:21meaning it's below or not accessible by conscious control.
22:21meaning it's below or not accessible by conscious control.
22:21meaning it's below or not accessible by conscious control.
22:21meaning it's below or not accessible by conscious control.
22:21meaning it's below or not accessible by conscious control.
22:25It's the thing that controls your heartbeat, controls your breathing, and that also activates or
22:25It's the thing that controls your heartbeat, controls your breathing, and that also activates or
22:25It's the thing that controls your heartbeat, controls your breathing, and that also activates or
22:25It's the thing that controls your heartbeat, controls your breathing, and that also activates or
22:25It's the thing that controls your heartbeat, controls your breathing, and that also activates or
22:25It's the thing that controls your heartbeat, controls your breathing, and that also activates or
22:29flips on the switch of your immune system.
22:29flips on the switch of your immune system.
22:29flips on the switch of your immune system.
22:29flips on the switch of your immune system.
22:29flips on the switch of your immune system.
22:29flips on the switch of your immune system.
22:31When we get a lot of UVB light in our eyes, or I should say
22:31When we get a lot of UVB light in our eyes, or I should say
22:31When we get a lot of UVB light in our eyes, or I should say
22:31When we get a lot of UVB light in our eyes, or I should say
22:31When we get a lot of UVB light in our eyes, or I should say
22:31When we get a lot of UVB light in our eyes, or I should say
22:35sufficient UVB light in our eyes, a particular channel, a particular set of connections within
22:35sufficient UVB light in our eyes, a particular channel, a particular set of connections within
22:35sufficient UVB light in our eyes, a particular channel, a particular set of connections within
22:35sufficient UVB light in our eyes, a particular channel, a particular set of connections within
22:35sufficient UVB light in our eyes, a particular channel, a particular set of connections within
22:35sufficient UVB light in our eyes, a particular channel, a particular set of connections within
22:41the sympathetic nervous system is activated and our spleen deploys immune cells and molecules that
22:41the sympathetic nervous system is activated and our spleen deploys immune cells and molecules that
22:41the sympathetic nervous system is activated and our spleen deploys immune cells and molecules that
22:41the sympathetic nervous system is activated and our spleen deploys immune cells and molecules that
22:41the sympathetic nervous system is activated and our spleen deploys immune cells and molecules that
22:41the sympathetic nervous system is activated and our spleen deploys immune cells and molecules that
22:48scavenge for and combat infection.
22:48scavenge for and combat infection.
22:48scavenge for and combat infection.
22:48scavenge for and combat infection.
22:48scavenge for and combat infection.
22:48scavenge for and combat infection.
22:50In other words, the soldiers of your immune system, the chemicals and cell types of
22:50In other words, the soldiers of your immune system, the chemicals and cell types of
22:50In other words, the soldiers of your immune system, the chemicals and cell types of
22:50In other words, the soldiers of your immune system, the chemicals and cell types of
22:50In other words, the soldiers of your immune system, the chemicals and cell types of
22:50In other words, the soldiers of your immune system, the chemicals and cell types of
22:54your immune system that combat infection are in a more ready deployed stance, if you
22:54your immune system that combat infection are in a more ready deployed stance, if you
22:54your immune system that combat infection are in a more ready deployed stance, if you
22:54your immune system that combat infection are in a more ready deployed stance, if you
22:54your immune system that combat infection are in a more ready deployed stance, if you
22:54your immune system that combat infection are in a more ready deployed stance, if you
23:00will. So we often think about the summer months and the spring months as fewer
23:00will. So we often think about the summer months and the spring months as fewer
23:00will. So we often think about the summer months and the spring months as fewer
23:00will. So we often think about the summer months and the spring months as fewer
23:00will. So we often think about the summer months and the spring months as fewer
23:00will. So we often think about the summer months and the spring months as fewer
23:05infections floating around, but in fact, there aren't fewer infections floating around.
23:05infections floating around, but in fact, there aren't fewer infections floating around.
23:05infections floating around, but in fact, there aren't fewer infections floating around.
23:05infections floating around, but in fact, there aren't fewer infections floating around.
23:05infections floating around, but in fact, there aren't fewer infections floating around.
23:05infections floating around, but in fact, there aren't fewer infections floating around.
23:10We are simply better at combating those infections and therefore there's less infection floating around.
23:10We are simply better at combating those infections and therefore there's less infection floating around.
23:10We are simply better at combating those infections and therefore there's less infection floating around.
23:10We are simply better at combating those infections and therefore there's less infection floating around.
23:10We are simply better at combating those infections and therefore there's less infection floating around.
23:10We are simply better at combating those infections and therefore there's less infection floating around.
23:16What does this mean in terms of a tool?
23:16What does this mean in terms of a tool?
23:16What does this mean in terms of a tool?
23:16What does this mean in terms of a tool?
23:16What does this mean in terms of a tool?
23:16What does this mean in terms of a tool?
23:18What it means is that during the winter months, we should be especially conscious of
23:18What it means is that during the winter months, we should be especially conscious of
23:18What it means is that during the winter months, we should be especially conscious of
23:18What it means is that during the winter months, we should be especially conscious of
23:18What it means is that during the winter months, we should be especially conscious of
23:18What it means is that during the winter months, we should be especially conscious of
23:23accessing UVB light to enhance our spleen function, to make sure that our sympathetic nervous
23:23accessing UVB light to enhance our spleen function, to make sure that our sympathetic nervous
23:23accessing UVB light to enhance our spleen function, to make sure that our sympathetic nervous
23:23accessing UVB light to enhance our spleen function, to make sure that our sympathetic nervous
23:23accessing UVB light to enhance our spleen function, to make sure that our sympathetic nervous
23:23accessing UVB light to enhance our spleen function, to make sure that our sympathetic nervous
23:30system is activated to a sufficient level to keep our immune system deploying all those
23:30system is activated to a sufficient level to keep our immune system deploying all those
23:30system is activated to a sufficient level to keep our immune system deploying all those
23:30system is activated to a sufficient level to keep our immune system deploying all those
23:30system is activated to a sufficient level to keep our immune system deploying all those
23:30system is activated to a sufficient level to keep our immune system deploying all those
23:35killer T cells and B cells and cytokines so that when we encounter the infections,
23:35killer T cells and B cells and cytokines so that when we encounter the infections,
23:35killer T cells and B cells and cytokines so that when we encounter the infections,
23:35killer T cells and B cells and cytokines so that when we encounter the infections,
23:35killer T cells and B cells and cytokines so that when we encounter the infections,
23:35killer T cells and B cells and cytokines so that when we encounter the infections,
23:39as we inevitably will, we can combat those infections well.
23:39as we inevitably will, we can combat those infections well.
23:39as we inevitably will, we can combat those infections well.
23:39as we inevitably will, we can combat those infections well.
23:39as we inevitably will, we can combat those infections well.
23:39as we inevitably will, we can combat those infections well.
23:43And as just a brief aside, but I should mention a brief aside that's related
23:43And as just a brief aside, but I should mention a brief aside that's related
23:43And as just a brief aside, but I should mention a brief aside that's related
23:43And as just a brief aside, but I should mention a brief aside that's related
23:43And as just a brief aside, but I should mention a brief aside that's related
23:43And as just a brief aside, but I should mention a brief aside that's related
23:47to tens of thousands of quality studies, it is well known that wound healing is
23:47to tens of thousands of quality studies, it is well known that wound healing is
23:47to tens of thousands of quality studies, it is well known that wound healing is
23:47to tens of thousands of quality studies, it is well known that wound healing is
23:47to tens of thousands of quality studies, it is well known that wound healing is
23:47to tens of thousands of quality studies, it is well known that wound healing is
23:52faster when we are getting sufficient UVB exposure.
23:52faster when we are getting sufficient UVB exposure.
23:52faster when we are getting sufficient UVB exposure.
23:52faster when we are getting sufficient UVB exposure.
23:52faster when we are getting sufficient UVB exposure.
23:52faster when we are getting sufficient UVB exposure.
23:56It is known that turnover of hair cells, the very...
23:56It is known that turnover of hair cells, the very...
23:56It is known that turnover of hair cells, the very...
23:56It is known that turnover of hair cells, the very...
23:56It is known that turnover of hair cells, the very...
23:56It is known that turnover of hair cells, the very...
24:00Hairy cells that give rise to hair cells are called stem cells.
24:00Hairy cells that give rise to hair cells are called stem cells.
24:00Hairy cells that give rise to hair cells are called stem cells.
24:00Hairy cells that give rise to hair cells are called stem cells.
24:00Hairy cells that give rise to hair cells are called stem cells.
24:00Hairy cells that give rise to hair cells are called stem cells.
24:03They live in little so -called niches in our skin with these hair stem cells,
24:03They live in little so -called niches in our skin with these hair stem cells,
24:03They live in little so -called niches in our skin with these hair stem cells,
24:03They live in little so -called niches in our skin with these hair stem cells,
24:03They live in little so -called niches in our skin with these hair stem cells,
24:03They live in little so -called niches in our skin with these hair stem cells,
24:07and your hair grows faster in longer days.
24:07and your hair grows faster in longer days.
24:07and your hair grows faster in longer days.
24:07and your hair grows faster in longer days.
24:07and your hair grows faster in longer days.
24:07and your hair grows faster in longer days.
24:09That too is triggered by UVB exposure, not just to the skin, but to the
24:09That too is triggered by UVB exposure, not just to the skin, but to the
24:09That too is triggered by UVB exposure, not just to the skin, but to the
24:09That too is triggered by UVB exposure, not just to the skin, but to the
24:09That too is triggered by UVB exposure, not just to the skin, but to the
24:09That too is triggered by UVB exposure, not just to the skin, but to the
24:14eyes. That's right. There was a study published in the Proceedings of the National Academy
24:14eyes. That's right. There was a study published in the Proceedings of the National Academy
24:14eyes. That's right. There was a study published in the Proceedings of the National Academy
24:14eyes. That's right. There was a study published in the Proceedings of the National Academy
24:14eyes. That's right. There was a study published in the Proceedings of the National Academy
24:14eyes. That's right. There was a study published in the Proceedings of the National Academy
24:20of Sciences a couple of years ago that showed that the exposure of those melanopsin
24:20of Sciences a couple of years ago that showed that the exposure of those melanopsin
24:20of Sciences a couple of years ago that showed that the exposure of those melanopsin
24:20of Sciences a couple of years ago that showed that the exposure of those melanopsin
24:20of Sciences a couple of years ago that showed that the exposure of those melanopsin
24:20of Sciences a couple of years ago that showed that the exposure of those melanopsin
24:25ganglion cells in your eyes is absolutely critical for triggering the turnover of stem cells
24:25ganglion cells in your eyes is absolutely critical for triggering the turnover of stem cells
24:25ganglion cells in your eyes is absolutely critical for triggering the turnover of stem cells
24:25ganglion cells in your eyes is absolutely critical for triggering the turnover of stem cells
24:25ganglion cells in your eyes is absolutely critical for triggering the turnover of stem cells
24:25ganglion cells in your eyes is absolutely critical for triggering the turnover of stem cells
24:31in both the skin and hair, and also, it turns out, in nails.
24:31in both the skin and hair, and also, it turns out, in nails.
24:31in both the skin and hair, and also, it turns out, in nails.
24:31in both the skin and hair, and also, it turns out, in nails.
24:31in both the skin and hair, and also, it turns out, in nails.
24:31in both the skin and hair, and also, it turns out, in nails.
24:37So if you've noticed that your skin, your hair, and your nails look better and
24:37So if you've noticed that your skin, your hair, and your nails look better and
24:37So if you've noticed that your skin, your hair, and your nails look better and
24:37So if you've noticed that your skin, your hair, and your nails look better and
24:37So if you've noticed that your skin, your hair, and your nails look better and
24:37So if you've noticed that your skin, your hair, and your nails look better and
24:41turn over more, meaning grow faster in longer days, that is not a coincidence.
24:41turn over more, meaning grow faster in longer days, that is not a coincidence.
24:41turn over more, meaning grow faster in longer days, that is not a coincidence.
24:41turn over more, meaning grow faster in longer days, that is not a coincidence.
24:41turn over more, meaning grow faster in longer days, that is not a coincidence.
24:41turn over more, meaning grow faster in longer days, that is not a coincidence.
24:46That is not just your perception.
24:46That is not just your perception.
24:46That is not just your perception.
24:46That is not just your perception.
24:46That is not just your perception.
24:46That is not just your perception.
24:48In fact, hair grows more, skin turns over more, meaning it's going to look more
24:48In fact, hair grows more, skin turns over more, meaning it's going to look more
24:48In fact, hair grows more, skin turns over more, meaning it's going to look more
24:48In fact, hair grows more, skin turns over more, meaning it's going to look more
24:48In fact, hair grows more, skin turns over more, meaning it's going to look more
24:48In fact, hair grows more, skin turns over more, meaning it's going to look more
24:53youthful. You're going to essentially remove older skin cells and replace them with new cells,
24:53youthful. You're going to essentially remove older skin cells and replace them with new cells,
24:53youthful. You're going to essentially remove older skin cells and replace them with new cells,
24:53youthful. You're going to essentially remove older skin cells and replace them with new cells,
24:53youthful. You're going to essentially remove older skin cells and replace them with new cells,
24:53youthful. You're going to essentially remove older skin cells and replace them with new cells,
24:58and all the renewing cells and tissues of our body are going to proliferate, are
24:58and all the renewing cells and tissues of our body are going to proliferate, are
24:58and all the renewing cells and tissues of our body are going to proliferate, are
24:58and all the renewing cells and tissues of our body are going to proliferate, are
24:58and all the renewing cells and tissues of our body are going to proliferate, are
24:58and all the renewing cells and tissues of our body are going to proliferate, are
25:03going to recreate themselves more when we're getting sufficient UVB light to our eyes and
25:03going to recreate themselves more when we're getting sufficient UVB light to our eyes and
25:03going to recreate themselves more when we're getting sufficient UVB light to our eyes and
25:03going to recreate themselves more when we're getting sufficient UVB light to our eyes and
25:03going to recreate themselves more when we're getting sufficient UVB light to our eyes and
25:03going to recreate themselves more when we're getting sufficient UVB light to our eyes and
25:09also to our skin. There's also another time of day, or rather I should say
25:09also to our skin. There's also another time of day, or rather I should say
25:09also to our skin. There's also another time of day, or rather I should say
25:09also to our skin. There's also another time of day, or rather I should say
25:09also to our skin. There's also another time of day, or rather I should say
25:09also to our skin. There's also another time of day, or rather I should say
25:14a time of night, in which UVB can be leveraged in order to improve mood.
25:14a time of night, in which UVB can be leveraged in order to improve mood.
25:14a time of night, in which UVB can be leveraged in order to improve mood.
25:14a time of night, in which UVB can be leveraged in order to improve mood.
25:14a time of night, in which UVB can be leveraged in order to improve mood.
25:14a time of night, in which UVB can be leveraged in order to improve mood.
25:19But it's actually the inverse of everything we've been talking about up until now.
25:19But it's actually the inverse of everything we've been talking about up until now.
25:19But it's actually the inverse of everything we've been talking about up until now.
25:19But it's actually the inverse of everything we've been talking about up until now.
25:19But it's actually the inverse of everything we've been talking about up until now.
25:19But it's actually the inverse of everything we've been talking about up until now.
25:24We have a particular neural circuit that originates with those melanopsin cells in our eye
25:24We have a particular neural circuit that originates with those melanopsin cells in our eye
25:24We have a particular neural circuit that originates with those melanopsin cells in our eye
25:24We have a particular neural circuit that originates with those melanopsin cells in our eye
25:24We have a particular neural circuit that originates with those melanopsin cells in our eye
25:24We have a particular neural circuit that originates with those melanopsin cells in our eye
25:29that bypass all the areas of the brain associated with circadian clocks, so everything related
25:29that bypass all the areas of the brain associated with circadian clocks, so everything related
25:29that bypass all the areas of the brain associated with circadian clocks, so everything related
25:29that bypass all the areas of the brain associated with circadian clocks, so everything related
25:29that bypass all the areas of the brain associated with circadian clocks, so everything related
25:29that bypass all the areas of the brain associated with circadian clocks, so everything related
25:35to sleep and wakefulness, that's specifically dedicated to the pathways involving the release of molecules
25:35to sleep and wakefulness, that's specifically dedicated to the pathways involving the release of molecules
25:35to sleep and wakefulness, that's specifically dedicated to the pathways involving the release of molecules
25:35to sleep and wakefulness, that's specifically dedicated to the pathways involving the release of molecules
25:35to sleep and wakefulness, that's specifically dedicated to the pathways involving the release of molecules
25:35to sleep and wakefulness, that's specifically dedicated to the pathways involving the release of molecules
25:41like dopamine and other molecules as well, including serotonin and some of those endogenous opioids
25:41like dopamine and other molecules as well, including serotonin and some of those endogenous opioids
25:41like dopamine and other molecules as well, including serotonin and some of those endogenous opioids
25:41like dopamine and other molecules as well, including serotonin and some of those endogenous opioids
25:41like dopamine and other molecules as well, including serotonin and some of those endogenous opioids
25:41like dopamine and other molecules as well, including serotonin and some of those endogenous opioids
25:46that we talked about before.
25:46that we talked about before.
25:46that we talked about before.
25:46that we talked about before.
25:46that we talked about before.
25:46that we talked about before.
25:47That particular pathway involves a brain structure called the perihabenular nucleus.
25:47That particular pathway involves a brain structure called the perihabenular nucleus.
25:47That particular pathway involves a brain structure called the perihabenular nucleus.
25:47That particular pathway involves a brain structure called the perihabenular nucleus.
25:47That particular pathway involves a brain structure called the perihabenular nucleus.
25:47That particular pathway involves a brain structure called the perihabenular nucleus.
25:51The perihabenular nucleus gets input from the cells in the eye that respond to UVB
25:51The perihabenular nucleus gets input from the cells in the eye that respond to UVB
25:51The perihabenular nucleus gets input from the cells in the eye that respond to UVB
25:51The perihabenular nucleus gets input from the cells in the eye that respond to UVB
25:51The perihabenular nucleus gets input from the cells in the eye that respond to UVB
25:51The perihabenular nucleus gets input from the cells in the eye that respond to UVB
25:57light and frankly, to bright light of other wavelengths as well.
25:57light and frankly, to bright light of other wavelengths as well.
25:57light and frankly, to bright light of other wavelengths as well.
25:57light and frankly, to bright light of other wavelengths as well.
25:57light and frankly, to bright light of other wavelengths as well.
25:57light and frankly, to bright light of other wavelengths as well.
26:01Because as you recall, if a light is bright enough, even if it's not UV
26:01Because as you recall, if a light is bright enough, even if it's not UV
26:01Because as you recall, if a light is bright enough, even if it's not UV
26:01Because as you recall, if a light is bright enough, even if it's not UV
26:01Because as you recall, if a light is bright enough, even if it's not UV
26:01Because as you recall, if a light is bright enough, even if it's not UV
26:05or blue light, it can activate those cells in the eye.
26:05or blue light, it can activate those cells in the eye.
26:05or blue light, it can activate those cells in the eye.
26:05or blue light, it can activate those cells in the eye.
26:05or blue light, it can activate those cells in the eye.
26:05or blue light, it can activate those cells in the eye.
26:08Those cells in the eye communicate to the perihabenular nucleus.
26:08Those cells in the eye communicate to the perihabenular nucleus.
26:08Those cells in the eye communicate to the perihabenular nucleus.
26:08Those cells in the eye communicate to the perihabenular nucleus.
26:08Those cells in the eye communicate to the perihabenular nucleus.
26:08Those cells in the eye communicate to the perihabenular nucleus.
26:11nucleus. And as it turns out, if this pathway is activated at the wrong time
26:11nucleus. And as it turns out, if this pathway is activated at the wrong time
26:11nucleus. And as it turns out, if this pathway is activated at the wrong time
26:11nucleus. And as it turns out, if this pathway is activated at the wrong time
26:11nucleus. And as it turns out, if this pathway is activated at the wrong time
26:11nucleus. And as it turns out, if this pathway is activated at the wrong time
26:17of each 24 -hour cycle, mood gets worse.
26:17of each 24 -hour cycle, mood gets worse.
26:17of each 24 -hour cycle, mood gets worse.
26:17of each 24 -hour cycle, mood gets worse.
26:17of each 24 -hour cycle, mood gets worse.
26:17of each 24 -hour cycle, mood gets worse.
26:22Dopamine output gets worse. Molecules that are there specifically to make us feel good actually
26:22Dopamine output gets worse. Molecules that are there specifically to make us feel good actually
26:22Dopamine output gets worse. Molecules that are there specifically to make us feel good actually
26:22Dopamine output gets worse. Molecules that are there specifically to make us feel good actually
26:22Dopamine output gets worse. Molecules that are there specifically to make us feel good actually
26:22Dopamine output gets worse. Molecules that are there specifically to make us feel good actually
26:28are reduced in their output.
26:28are reduced in their output.
26:28are reduced in their output.
26:28are reduced in their output.
26:28are reduced in their output.
26:28are reduced in their output.
26:31Avoiding UVB light at night is actually a way in which we can prevent activation
26:31Avoiding UVB light at night is actually a way in which we can prevent activation
26:31Avoiding UVB light at night is actually a way in which we can prevent activation
26:31Avoiding UVB light at night is actually a way in which we can prevent activation
26:31Avoiding UVB light at night is actually a way in which we can prevent activation
26:31Avoiding UVB light at night is actually a way in which we can prevent activation
26:38of this eye to perihabenular pathway that can actually turn on depression.
26:38of this eye to perihabenular pathway that can actually turn on depression.
26:38of this eye to perihabenular pathway that can actually turn on depression.
26:38of this eye to perihabenular pathway that can actually turn on depression.
26:38of this eye to perihabenular pathway that can actually turn on depression.
26:38of this eye to perihabenular pathway that can actually turn on depression.
26:44To be very direct and succinct about this, avoid exposure to UVB light from artificial
26:44To be very direct and succinct about this, avoid exposure to UVB light from artificial
26:44To be very direct and succinct about this, avoid exposure to UVB light from artificial
26:44To be very direct and succinct about this, avoid exposure to UVB light from artificial
26:44To be very direct and succinct about this, avoid exposure to UVB light from artificial
26:44To be very direct and succinct about this, avoid exposure to UVB light from artificial
26:48sources between the hours of 10 p .m.
26:48sources between the hours of 10 p .m.
26:48sources between the hours of 10 p .m.
26:48sources between the hours of 10 p .m.
26:48sources between the hours of 10 p .m.
26:48sources between the hours of 10 p .m.
26:52and 4 a .m. If you view UVB light, you activate those neurons in your
26:52and 4 a .m. If you view UVB light, you activate those neurons in your
26:52and 4 a .m. If you view UVB light, you activate those neurons in your
26:52and 4 a .m. If you view UVB light, you activate those neurons in your
26:52and 4 a .m. If you view UVB light, you activate those neurons in your
26:52and 4 a .m. If you view UVB light, you activate those neurons in your
26:56eye very potently. And if those cells communicate to the perihabenular nucleus, which they do,
26:56eye very potently. And if those cells communicate to the perihabenular nucleus, which they do,
26:56eye very potently. And if those cells communicate to the perihabenular nucleus, which they do,
26:56eye very potently. And if those cells communicate to the perihabenular nucleus, which they do,
26:56eye very potently. And if those cells communicate to the perihabenular nucleus, which they do,
26:56eye very potently. And if those cells communicate to the perihabenular nucleus, which they do,
27:01you will truncate or reduce the amount of dopamine that you release.
27:01you will truncate or reduce the amount of dopamine that you release.
27:01you will truncate or reduce the amount of dopamine that you release.
27:01you will truncate or reduce the amount of dopamine that you release.
27:01you will truncate or reduce the amount of dopamine that you release.
27:01you will truncate or reduce the amount of dopamine that you release.
27:07So if you want to keep your mood elevated, get a lot of light, UVB
27:07So if you want to keep your mood elevated, get a lot of light, UVB
27:07So if you want to keep your mood elevated, get a lot of light, UVB
27:07So if you want to keep your mood elevated, get a lot of light, UVB
27:07So if you want to keep your mood elevated, get a lot of light, UVB
27:07So if you want to keep your mood elevated, get a lot of light, UVB
27:10light throughout the day, and at night, really be cautious about getting UVB exposure from
27:10light throughout the day, and at night, really be cautious about getting UVB exposure from
27:10light throughout the day, and at night, really be cautious about getting UVB exposure from
27:10light throughout the day, and at night, really be cautious about getting UVB exposure from
27:10light throughout the day, and at night, really be cautious about getting UVB exposure from
27:10light throughout the day, and at night, really be cautious about getting UVB exposure from
27:16artificial sources. Now, I wouldn't want people to become so neurotic about UVB exposure that
27:16artificial sources. Now, I wouldn't want people to become so neurotic about UVB exposure that
27:16artificial sources. Now, I wouldn't want people to become so neurotic about UVB exposure that
27:16artificial sources. Now, I wouldn't want people to become so neurotic about UVB exposure that
27:16artificial sources. Now, I wouldn't want people to become so neurotic about UVB exposure that
27:16artificial sources. Now, I wouldn't want people to become so neurotic about UVB exposure that
27:21they won't flip on a light at all, but you would do well, for instance,
27:21they won't flip on a light at all, but you would do well, for instance,
27:21they won't flip on a light at all, but you would do well, for instance,
27:21they won't flip on a light at all, but you would do well, for instance,
27:21they won't flip on a light at all, but you would do well, for instance,
27:21they won't flip on a light at all, but you would do well, for instance,
27:25to put any artificial lights that you have on in the evening kind of low
27:25to put any artificial lights that you have on in the evening kind of low
27:25to put any artificial lights that you have on in the evening kind of low
27:25to put any artificial lights that you have on in the evening kind of low
27:25to put any artificial lights that you have on in the evening kind of low
27:25to put any artificial lights that you have on in the evening kind of low
27:29in your physical environment because these melanopsin cells reside in the lower half of our
27:29in your physical environment because these melanopsin cells reside in the lower half of our
27:29in your physical environment because these melanopsin cells reside in the lower half of our
27:29in your physical environment because these melanopsin cells reside in the lower half of our
27:29in your physical environment because these melanopsin cells reside in the lower half of our
27:29in your physical environment because these melanopsin cells reside in the lower half of our
27:33eyes. They view the upper visual field.
27:33eyes. They view the upper visual field.
27:33eyes. They view the upper visual field.
27:33eyes. They view the upper visual field.
27:33eyes. They view the upper visual field.
27:33eyes. They view the upper visual field.
27:34That makes sense because they were designed to essentially respond to sunlight coming from above
27:34That makes sense because they were designed to essentially respond to sunlight coming from above
27:34That makes sense because they were designed to essentially respond to sunlight coming from above
27:34That makes sense because they were designed to essentially respond to sunlight coming from above
27:34That makes sense because they were designed to essentially respond to sunlight coming from above
27:34That makes sense because they were designed to essentially respond to sunlight coming from above
27:39us and try and dim those lights as far down as you safely can.
27:39us and try and dim those lights as far down as you safely can.
27:39us and try and dim those lights as far down as you safely can.
27:39us and try and dim those lights as far down as you safely can.
27:39us and try and dim those lights as far down as you safely can.
27:39us and try and dim those lights as far down as you safely can.
27:45I'd like to take a quick break and acknowledge one of our sponsors, Function.
27:45I'd like to take a quick break and acknowledge one of our sponsors, Function.
27:45I'd like to take a quick break and acknowledge one of our sponsors, Function.
27:45I'd like to take a quick break and acknowledge one of our sponsors, Function.
27:45I'd like to take a quick break and acknowledge one of our sponsors, Function.
27:45I'd like to take a quick break and acknowledge one of our sponsors, Function.
27:49Last year, I became a Function member after searching for the most comprehensive approach to
27:49Last year, I became a Function member after searching for the most comprehensive approach to
27:49Last year, I became a Function member after searching for the most comprehensive approach to
27:49Last year, I became a Function member after searching for the most comprehensive approach to
27:49Last year, I became a Function member after searching for the most comprehensive approach to
27:49Last year, I became a Function member after searching for the most comprehensive approach to
27:53lab testing. Function provides over 100 advanced lab tests that give you a key snapshot
27:53lab testing. Function provides over 100 advanced lab tests that give you a key snapshot
27:53lab testing. Function provides over 100 advanced lab tests that give you a key snapshot
27:53lab testing. Function provides over 100 advanced lab tests that give you a key snapshot
27:53lab testing. Function provides over 100 advanced lab tests that give you a key snapshot
27:53lab testing. Function provides over 100 advanced lab tests that give you a key snapshot
27:58of your entire bodily health.
27:58of your entire bodily health.
27:58of your entire bodily health.
27:58of your entire bodily health.
27:58of your entire bodily health.
27:58of your entire bodily health.
28:00This snapshot offers you with insights on your heart health, hormone health, immune functioning, nutrient
28:00This snapshot offers you with insights on your heart health, hormone health, immune functioning, nutrient
28:00This snapshot offers you with insights on your heart health, hormone health, immune functioning, nutrient
28:00This snapshot offers you with insights on your heart health, hormone health, immune functioning, nutrient
28:00This snapshot offers you with insights on your heart health, hormone health, immune functioning, nutrient
28:00This snapshot offers you with insights on your heart health, hormone health, immune functioning, nutrient
28:05levels, and much more. Function not only provides testing of over 100 biomarkers key to
28:05levels, and much more. Function not only provides testing of over 100 biomarkers key to
28:05levels, and much more. Function not only provides testing of over 100 biomarkers key to
28:05levels, and much more. Function not only provides testing of over 100 biomarkers key to
28:05levels, and much more. Function not only provides testing of over 100 biomarkers key to
28:05levels, and much more. Function not only provides testing of over 100 biomarkers key to
28:10your physical and mental health, but it also analyzes these results and provides insights from
28:10your physical and mental health, but it also analyzes these results and provides insights from
28:10your physical and mental health, but it also analyzes these results and provides insights from
28:10your physical and mental health, but it also analyzes these results and provides insights from
28:10your physical and mental health, but it also analyzes these results and provides insights from
28:10your physical and mental health, but it also analyzes these results and provides insights from
28:15top doctors who are expert in the relevant areas.
28:15top doctors who are expert in the relevant areas.
28:15top doctors who are expert in the relevant areas.
28:15top doctors who are expert in the relevant areas.
28:15top doctors who are expert in the relevant areas.
28:15top doctors who are expert in the relevant areas.
28:18For example, in one of my first tests with Function, I learned that I had
28:18For example, in one of my first tests with Function, I learned that I had
28:18For example, in one of my first tests with Function, I learned that I had
28:18For example, in one of my first tests with Function, I learned that I had
28:18For example, in one of my first tests with Function, I learned that I had
28:18For example, in one of my first tests with Function, I learned that I had
28:21elevated levels of mental health.
28:21elevated levels of mental health.
28:21elevated levels of mental health.
28:21elevated levels of mental health.
28:21elevated levels of mental health.
28:21elevated levels of mental health.
28:22mercury in my blood. Function not only helped me detect that, but offered insights into
28:22mercury in my blood. Function not only helped me detect that, but offered insights into
28:22mercury in my blood. Function not only helped me detect that, but offered insights into
28:22mercury in my blood. Function not only helped me detect that, but offered insights into
28:22mercury in my blood. Function not only helped me detect that, but offered insights into
28:22mercury in my blood. Function not only helped me detect that, but offered insights into
28:27how best to reduce my mercury levels, which included limiting my tuna consumption.
28:27how best to reduce my mercury levels, which included limiting my tuna consumption.
28:27how best to reduce my mercury levels, which included limiting my tuna consumption.
28:27how best to reduce my mercury levels, which included limiting my tuna consumption.
28:27how best to reduce my mercury levels, which included limiting my tuna consumption.
28:27how best to reduce my mercury levels, which included limiting my tuna consumption.
28:31I've been eating a lot of tuna, while also making an effort to eat more
28:31I've been eating a lot of tuna, while also making an effort to eat more
28:31I've been eating a lot of tuna, while also making an effort to eat more
28:31I've been eating a lot of tuna, while also making an effort to eat more
28:31I've been eating a lot of tuna, while also making an effort to eat more
28:31I've been eating a lot of tuna, while also making an effort to eat more
28:34leafy greens and supplementing with NAC and acetylcysteine, both of which can support glutathione production
28:34leafy greens and supplementing with NAC and acetylcysteine, both of which can support glutathione production
28:34leafy greens and supplementing with NAC and acetylcysteine, both of which can support glutathione production
28:34leafy greens and supplementing with NAC and acetylcysteine, both of which can support glutathione production
28:34leafy greens and supplementing with NAC and acetylcysteine, both of which can support glutathione production
28:34leafy greens and supplementing with NAC and acetylcysteine, both of which can support glutathione production
28:39and detoxification. And I should say by taking a second function test, that approach worked.
28:39and detoxification. And I should say by taking a second function test, that approach worked.
28:39and detoxification. And I should say by taking a second function test, that approach worked.
28:39and detoxification. And I should say by taking a second function test, that approach worked.
28:39and detoxification. And I should say by taking a second function test, that approach worked.
28:39and detoxification. And I should say by taking a second function test, that approach worked.
28:44Comprehensive blood testing is vitally important.
28:44Comprehensive blood testing is vitally important.
28:44Comprehensive blood testing is vitally important.
28:44Comprehensive blood testing is vitally important.
28:44Comprehensive blood testing is vitally important.
28:44Comprehensive blood testing is vitally important.
28:46There's so many things related to your mental and physical health that can only be
28:46There's so many things related to your mental and physical health that can only be
28:46There's so many things related to your mental and physical health that can only be
28:46There's so many things related to your mental and physical health that can only be
28:46There's so many things related to your mental and physical health that can only be
28:46There's so many things related to your mental and physical health that can only be
28:50detected in a blood test.
28:50detected in a blood test.
28:50detected in a blood test.
28:50detected in a blood test.
28:50detected in a blood test.
28:50detected in a blood test.
28:52The problem is blood testing has always been very expensive and complicated.
28:52The problem is blood testing has always been very expensive and complicated.
28:52The problem is blood testing has always been very expensive and complicated.
28:52The problem is blood testing has always been very expensive and complicated.
28:52The problem is blood testing has always been very expensive and complicated.
28:52The problem is blood testing has always been very expensive and complicated.
28:55In contrast, I've been super impressed by Function's simplicity and at the level of cost.
28:55In contrast, I've been super impressed by Function's simplicity and at the level of cost.
28:55In contrast, I've been super impressed by Function's simplicity and at the level of cost.
28:55In contrast, I've been super impressed by Function's simplicity and at the level of cost.
28:55In contrast, I've been super impressed by Function's simplicity and at the level of cost.
28:55In contrast, I've been super impressed by Function's simplicity and at the level of cost.
29:00It is very affordable. As a consequence, I decided to join their scientific advisory board,
29:00It is very affordable. As a consequence, I decided to join their scientific advisory board,
29:00It is very affordable. As a consequence, I decided to join their scientific advisory board,
29:00It is very affordable. As a consequence, I decided to join their scientific advisory board,
29:00It is very affordable. As a consequence, I decided to join their scientific advisory board,
29:00It is very affordable. As a consequence, I decided to join their scientific advisory board,
29:05and I'm thrilled that they're sponsoring the podcast.
29:05and I'm thrilled that they're sponsoring the podcast.
29:05and I'm thrilled that they're sponsoring the podcast.
29:05and I'm thrilled that they're sponsoring the podcast.
29:05and I'm thrilled that they're sponsoring the podcast.
29:05and I'm thrilled that they're sponsoring the podcast.
29:07If you'd like to try Function, you can go to functionhealth .com slash Huberman.
29:07If you'd like to try Function, you can go to functionhealth .com slash Huberman.
29:07If you'd like to try Function, you can go to functionhealth .com slash Huberman.
29:07If you'd like to try Function, you can go to functionhealth .com slash Huberman.
29:07If you'd like to try Function, you can go to functionhealth .com slash Huberman.
29:07If you'd like to try Function, you can go to functionhealth .com slash Huberman.
29:12Function currently has a wait list of over 250 ,000 people, but they're offering early
29:12Function currently has a wait list of over 250 ,000 people, but they're offering early
29:12Function currently has a wait list of over 250 ,000 people, but they're offering early
29:12Function currently has a wait list of over 250 ,000 people, but they're offering early
29:12Function currently has a wait list of over 250 ,000 people, but they're offering early
29:12Function currently has a wait list of over 250 ,000 people, but they're offering early
29:17access to Huberman podcast listeners.
29:17access to Huberman podcast listeners.
29:17access to Huberman podcast listeners.
29:17access to Huberman podcast listeners.
29:17access to Huberman podcast listeners.
29:17access to Huberman podcast listeners.
29:18Again, that's functionhealth .com slash Huberman to get early access to Function.
29:18Again, that's functionhealth .com slash Huberman to get early access to Function.
29:18Again, that's functionhealth .com slash Huberman to get early access to Function.
29:18Again, that's functionhealth .com slash Huberman to get early access to Function.
29:18Again, that's functionhealth .com slash Huberman to get early access to Function.
29:18Again, that's functionhealth .com slash Huberman to get early access to Function.
29:24Now I'd like to shift our attention to the other end of the spectrum, meaning
29:24Now I'd like to shift our attention to the other end of the spectrum, meaning
29:24Now I'd like to shift our attention to the other end of the spectrum, meaning
29:24Now I'd like to shift our attention to the other end of the spectrum, meaning
29:24Now I'd like to shift our attention to the other end of the spectrum, meaning
29:24Now I'd like to shift our attention to the other end of the spectrum, meaning
29:27the light spectrum, to talk about red light and infrared light, which is long wavelength
29:27the light spectrum, to talk about red light and infrared light, which is long wavelength
29:27the light spectrum, to talk about red light and infrared light, which is long wavelength
29:27the light spectrum, to talk about red light and infrared light, which is long wavelength
29:27the light spectrum, to talk about red light and infrared light, which is long wavelength
29:27the light spectrum, to talk about red light and infrared light, which is long wavelength
29:31light. So you're probably asking, or at least you should be asking, how is it
29:31light. So you're probably asking, or at least you should be asking, how is it
29:31light. So you're probably asking, or at least you should be asking, how is it
29:31light. So you're probably asking, or at least you should be asking, how is it
29:31light. So you're probably asking, or at least you should be asking, how is it
29:31light. So you're probably asking, or at least you should be asking, how is it
29:34that shining red light on our skin can impact things like acne and wound healing,
29:34that shining red light on our skin can impact things like acne and wound healing,
29:34that shining red light on our skin can impact things like acne and wound healing,
29:34that shining red light on our skin can impact things like acne and wound healing,
29:34that shining red light on our skin can impact things like acne and wound healing,
29:34that shining red light on our skin can impact things like acne and wound healing,
29:39et cetera? To understand that, we have to think back to the beginning of the
29:39et cetera? To understand that, we have to think back to the beginning of the
29:39et cetera? To understand that, we have to think back to the beginning of the
29:39et cetera? To understand that, we have to think back to the beginning of the
29:39et cetera? To understand that, we have to think back to the beginning of the
29:39et cetera? To understand that, we have to think back to the beginning of the
29:42episode where I described how long wavelength light, such as red light and near -infrared
29:42episode where I described how long wavelength light, such as red light and near -infrared
29:42episode where I described how long wavelength light, such as red light and near -infrared
29:42episode where I described how long wavelength light, such as red light and near -infrared
29:42episode where I described how long wavelength light, such as red light and near -infrared
29:42episode where I described how long wavelength light, such as red light and near -infrared
29:47light, which is even longer than red light, can pass through certain surfaces, including our
29:47light, which is even longer than red light, can pass through certain surfaces, including our
29:47light, which is even longer than red light, can pass through certain surfaces, including our
29:47light, which is even longer than red light, can pass through certain surfaces, including our
29:47light, which is even longer than red light, can pass through certain surfaces, including our
29:47light, which is even longer than red light, can pass through certain surfaces, including our
29:53skin. So our skin has an epidermis, which is on the outside, and the dermis,
29:53skin. So our skin has an epidermis, which is on the outside, and the dermis,
29:53skin. So our skin has an epidermis, which is on the outside, and the dermis,
29:53skin. So our skin has an epidermis, which is on the outside, and the dermis,
29:53skin. So our skin has an epidermis, which is on the outside, and the dermis,
29:53skin. So our skin has an epidermis, which is on the outside, and the dermis,
29:57which is in the deeper layers.
29:57which is in the deeper layers.
29:57which is in the deeper layers.
29:57which is in the deeper layers.
29:57which is in the deeper layers.
29:57which is in the deeper layers.
29:59Red light and infrared light can pass down into the deeper layers of our skin
29:59Red light and infrared light can pass down into the deeper layers of our skin
29:59Red light and infrared light can pass down into the deeper layers of our skin
29:59Red light and infrared light can pass down into the deeper layers of our skin
29:59Red light and infrared light can pass down into the deeper layers of our skin
29:59Red light and infrared light can pass down into the deeper layers of our skin
30:03where it can change the metabolic function of particular cells.
30:03where it can change the metabolic function of particular cells.
30:03where it can change the metabolic function of particular cells.
30:03where it can change the metabolic function of particular cells.
30:03where it can change the metabolic function of particular cells.
30:03where it can change the metabolic function of particular cells.
30:07So let's just take acne as an example.
30:07So let's just take acne as an example.
30:07So let's just take acne as an example.
30:07So let's just take acne as an example.
30:07So let's just take acne as an example.
30:07So let's just take acne as an example.
30:10Within the dermis, the deep layers of our skin, we have what are called sebaceous
30:10Within the dermis, the deep layers of our skin, we have what are called sebaceous
30:10Within the dermis, the deep layers of our skin, we have what are called sebaceous
30:10Within the dermis, the deep layers of our skin, we have what are called sebaceous
30:10Within the dermis, the deep layers of our skin, we have what are called sebaceous
30:10Within the dermis, the deep layers of our skin, we have what are called sebaceous
30:14glands that actually make the oil that is present in our skin.
30:14glands that actually make the oil that is present in our skin.
30:14glands that actually make the oil that is present in our skin.
30:14glands that actually make the oil that is present in our skin.
30:14glands that actually make the oil that is present in our skin.
30:14glands that actually make the oil that is present in our skin.
30:18Those sebaceous glands are often nearby hair follicles.
30:18Those sebaceous glands are often nearby hair follicles.
30:18Those sebaceous glands are often nearby hair follicles.
30:18Those sebaceous glands are often nearby hair follicles.
30:18Those sebaceous glands are often nearby hair follicles.
30:18Those sebaceous glands are often nearby hair follicles.
30:21So if you've ever had an infected hair follicle, that's not a coincidence that hair
30:21So if you've ever had an infected hair follicle, that's not a coincidence that hair
30:21So if you've ever had an infected hair follicle, that's not a coincidence that hair
30:21So if you've ever had an infected hair follicle, that's not a coincidence that hair
30:21So if you've ever had an infected hair follicle, that's not a coincidence that hair
30:21So if you've ever had an infected hair follicle, that's not a coincidence that hair
30:26follicles tend to get infected.
30:26follicles tend to get infected.
30:26follicles tend to get infected.
30:26follicles tend to get infected.
30:26follicles tend to get infected.
30:26follicles tend to get infected.
30:28Part of it is because there's actually a portal down and around the hair follicle,
30:28Part of it is because there's actually a portal down and around the hair follicle,
30:28Part of it is because there's actually a portal down and around the hair follicle,
30:28Part of it is because there's actually a portal down and around the hair follicle,
30:28Part of it is because there's actually a portal down and around the hair follicle,
30:28Part of it is because there's actually a portal down and around the hair follicle,
30:32but the sebaceous gland is...
30:32but the sebaceous gland is...
30:32but the sebaceous gland is...
30:32but the sebaceous gland is...
30:32but the sebaceous gland is...
30:32but the sebaceous gland is...
30:33where the oil is created, that is going to give rise to, for instance, acne
30:33where the oil is created, that is going to give rise to, for instance, acne
30:33where the oil is created, that is going to give rise to, for instance, acne
30:33where the oil is created, that is going to give rise to, for instance, acne
30:33where the oil is created, that is going to give rise to, for instance, acne
30:33where the oil is created, that is going to give rise to, for instance, acne
30:37lesions. Also in the dermis, in the deep layers of the skin, are the melanocytes.
30:37lesions. Also in the dermis, in the deep layers of the skin, are the melanocytes.
30:37lesions. Also in the dermis, in the deep layers of the skin, are the melanocytes.
30:37lesions. Also in the dermis, in the deep layers of the skin, are the melanocytes.
30:37lesions. Also in the dermis, in the deep layers of the skin, are the melanocytes.
30:37lesions. Also in the dermis, in the deep layers of the skin, are the melanocytes.
30:43They're not just in the epidermis, they're also in the deeper layers of the skin.
30:43They're not just in the epidermis, they're also in the deeper layers of the skin.
30:43They're not just in the epidermis, they're also in the deeper layers of the skin.
30:43They're not just in the epidermis, they're also in the deeper layers of the skin.
30:43They're not just in the epidermis, they're also in the deeper layers of the skin.
30:43They're not just in the epidermis, they're also in the deeper layers of the skin.
30:46And you have the stem cells that give rise to additional skin cells.
30:46And you have the stem cells that give rise to additional skin cells.
30:46And you have the stem cells that give rise to additional skin cells.
30:46And you have the stem cells that give rise to additional skin cells.
30:46And you have the stem cells that give rise to additional skin cells.
30:46And you have the stem cells that give rise to additional skin cells.
30:51If the top layers of the epidermis are damaged, those stem cells can become activated.
30:51If the top layers of the epidermis are damaged, those stem cells can become activated.
30:51If the top layers of the epidermis are damaged, those stem cells can become activated.
30:51If the top layers of the epidermis are damaged, those stem cells can become activated.
30:51If the top layers of the epidermis are damaged, those stem cells can become activated.
30:51If the top layers of the epidermis are damaged, those stem cells can become activated.
30:56And you also have the stem cells that give rise to hair follicles.
30:56And you also have the stem cells that give rise to hair follicles.
30:56And you also have the stem cells that give rise to hair follicles.
30:56And you also have the stem cells that give rise to hair follicles.
30:56And you also have the stem cells that give rise to hair follicles.
30:56And you also have the stem cells that give rise to hair follicles.
31:00What happens is the top layers of the skin are basically burned off by a
31:00What happens is the top layers of the skin are basically burned off by a
31:00What happens is the top layers of the skin are basically burned off by a
31:00What happens is the top layers of the skin are basically burned off by a
31:00What happens is the top layers of the skin are basically burned off by a
31:00What happens is the top layers of the skin are basically burned off by a
31:04very low level of burn, and or the cells in the deeper layer start to
31:04very low level of burn, and or the cells in the deeper layer start to
31:04very low level of burn, and or the cells in the deeper layer start to
31:04very low level of burn, and or the cells in the deeper layer start to
31:04very low level of burn, and or the cells in the deeper layer start to
31:04very low level of burn, and or the cells in the deeper layer start to
31:09churn out new cells, which go and rescue the lesion, essentially clear out the lesion
31:09churn out new cells, which go and rescue the lesion, essentially clear out the lesion
31:09churn out new cells, which go and rescue the lesion, essentially clear out the lesion
31:09churn out new cells, which go and rescue the lesion, essentially clear out the lesion
31:09churn out new cells, which go and rescue the lesion, essentially clear out the lesion
31:09churn out new cells, which go and rescue the lesion, essentially clear out the lesion
31:15and replace that lesion with healthy skin cells.
31:15and replace that lesion with healthy skin cells.
31:15and replace that lesion with healthy skin cells.
31:15and replace that lesion with healthy skin cells.
31:15and replace that lesion with healthy skin cells.
31:15and replace that lesion with healthy skin cells.
31:19This does work in the context of wound healing, getting scars to disappear.
31:19This does work in the context of wound healing, getting scars to disappear.
31:19This does work in the context of wound healing, getting scars to disappear.
31:19This does work in the context of wound healing, getting scars to disappear.
31:19This does work in the context of wound healing, getting scars to disappear.
31:19This does work in the context of wound healing, getting scars to disappear.
31:25It also works to remove certain patches of pigmentation.
31:25It also works to remove certain patches of pigmentation.
31:25It also works to remove certain patches of pigmentation.
31:25It also works to remove certain patches of pigmentation.
31:25It also works to remove certain patches of pigmentation.
31:25It also works to remove certain patches of pigmentation.
31:29Long wavelength light can actually get deep into the skin, I mentioned that before, but
31:29Long wavelength light can actually get deep into the skin, I mentioned that before, but
31:29Long wavelength light can actually get deep into the skin, I mentioned that before, but
31:29Long wavelength light can actually get deep into the skin, I mentioned that before, but
31:29Long wavelength light can actually get deep into the skin, I mentioned that before, but
31:29Long wavelength light can actually get deep into the skin, I mentioned that before, but
31:33can also get into individual cells and can access the so -called organelles.
31:33can also get into individual cells and can access the so -called organelles.
31:33can also get into individual cells and can access the so -called organelles.
31:33can also get into individual cells and can access the so -called organelles.
31:33can also get into individual cells and can access the so -called organelles.
31:33can also get into individual cells and can access the so -called organelles.
31:39In particular, they can access the mitochondria, which are responsible for producing ATP.
31:39In particular, they can access the mitochondria, which are responsible for producing ATP.
31:39In particular, they can access the mitochondria, which are responsible for producing ATP.
31:39In particular, they can access the mitochondria, which are responsible for producing ATP.
31:39In particular, they can access the mitochondria, which are responsible for producing ATP.
31:39In particular, they can access the mitochondria, which are responsible for producing ATP.
31:44As cells age, and in particular, in very metabolically active cells, they accumulate what are
31:44As cells age, and in particular, in very metabolically active cells, they accumulate what are
31:44As cells age, and in particular, in very metabolically active cells, they accumulate what are
31:44As cells age, and in particular, in very metabolically active cells, they accumulate what are
31:44As cells age, and in particular, in very metabolically active cells, they accumulate what are
31:44As cells age, and in particular, in very metabolically active cells, they accumulate what are
31:51called ROSs, reactive oxygen species.
31:51called ROSs, reactive oxygen species.
31:51called ROSs, reactive oxygen species.
31:51called ROSs, reactive oxygen species.
31:51called ROSs, reactive oxygen species.
31:51called ROSs, reactive oxygen species.
31:54And as reactive oxygen species go up, ATP, energy production in those cells, tends to
31:54And as reactive oxygen species go up, ATP, energy production in those cells, tends to
31:54And as reactive oxygen species go up, ATP, energy production in those cells, tends to
31:54And as reactive oxygen species go up, ATP, energy production in those cells, tends to
31:54And as reactive oxygen species go up, ATP, energy production in those cells, tends to
31:54And as reactive oxygen species go up, ATP, energy production in those cells, tends to
32:01go down. It's a general statement, but it's a general statement that in most cases
32:01go down. It's a general statement, but it's a general statement that in most cases
32:01go down. It's a general statement, but it's a general statement that in most cases
32:01go down. It's a general statement, but it's a general statement that in most cases
32:01go down. It's a general statement, but it's a general statement that in most cases
32:01go down. It's a general statement, but it's a general statement that in most cases
32:05is true. So the way to think about this is that red light passes into
32:05is true. So the way to think about this is that red light passes into
32:05is true. So the way to think about this is that red light passes into
32:05is true. So the way to think about this is that red light passes into
32:05is true. So the way to think about this is that red light passes into
32:05is true. So the way to think about this is that red light passes into
32:09the deeper layers of the skin, activates mitochondria, which increases ATP, and directly or indirectly
32:09the deeper layers of the skin, activates mitochondria, which increases ATP, and directly or indirectly
32:09the deeper layers of the skin, activates mitochondria, which increases ATP, and directly or indirectly
32:09the deeper layers of the skin, activates mitochondria, which increases ATP, and directly or indirectly
32:09the deeper layers of the skin, activates mitochondria, which increases ATP, and directly or indirectly
32:09the deeper layers of the skin, activates mitochondria, which increases ATP, and directly or indirectly
32:15reduces these reactive oxygen species.
32:15reduces these reactive oxygen species.
32:15reduces these reactive oxygen species.
32:15reduces these reactive oxygen species.
32:15reduces these reactive oxygen species.
32:15reduces these reactive oxygen species.
32:17These reactive oxygen species are not good.
32:17These reactive oxygen species are not good.
32:17These reactive oxygen species are not good.
32:17These reactive oxygen species are not good.
32:17These reactive oxygen species are not good.
32:17These reactive oxygen species are not good.
32:20We don't want them. They cause cellar damage, cellar death, and for the most part,
32:20We don't want them. They cause cellar damage, cellar death, and for the most part,
32:20We don't want them. They cause cellar damage, cellar death, and for the most part,
32:20We don't want them. They cause cellar damage, cellar death, and for the most part,
32:20We don't want them. They cause cellar damage, cellar death, and for the most part,
32:20We don't want them. They cause cellar damage, cellar death, and for the most part,
32:26just inhibit the way that our cells work.
32:26just inhibit the way that our cells work.
32:26just inhibit the way that our cells work.
32:26just inhibit the way that our cells work.
32:26just inhibit the way that our cells work.
32:26just inhibit the way that our cells work.
32:29So if you've heard of red light or near -infrared light therapies designed to heal
32:29So if you've heard of red light or near -infrared light therapies designed to heal
32:29So if you've heard of red light or near -infrared light therapies designed to heal
32:29So if you've heard of red light or near -infrared light therapies designed to heal
32:29So if you've heard of red light or near -infrared light therapies designed to heal
32:29So if you've heard of red light or near -infrared light therapies designed to heal
32:34skin or improve skin quality or remove lesions or get rid of scars or unwanted
32:34skin or improve skin quality or remove lesions or get rid of scars or unwanted
32:34skin or improve skin quality or remove lesions or get rid of scars or unwanted
32:34skin or improve skin quality or remove lesions or get rid of scars or unwanted
32:34skin or improve skin quality or remove lesions or get rid of scars or unwanted
32:34skin or improve skin quality or remove lesions or get rid of scars or unwanted
32:39pigmentation, that is not pseudoscience, that is not woo science, that is no, is grounded
32:39pigmentation, that is not pseudoscience, that is not woo science, that is no, is grounded
32:39pigmentation, that is not pseudoscience, that is not woo science, that is no, is grounded
32:39pigmentation, that is not pseudoscience, that is not woo science, that is no, is grounded
32:39pigmentation, that is not pseudoscience, that is not woo science, that is no, is grounded
32:39pigmentation, that is not pseudoscience, that is not woo science, that is no, is grounded
32:45in the very biology of how light interacts with mitochondria and reactive oxygen species.
32:45in the very biology of how light interacts with mitochondria and reactive oxygen species.
32:45in the very biology of how light interacts with mitochondria and reactive oxygen species.
32:45in the very biology of how light interacts with mitochondria and reactive oxygen species.
32:45in the very biology of how light interacts with mitochondria and reactive oxygen species.
32:45in the very biology of how light interacts with mitochondria and reactive oxygen species.
32:50The key point here is that light is activating particular pathways in cells that can
32:50The key point here is that light is activating particular pathways in cells that can
32:50The key point here is that light is activating particular pathways in cells that can
32:50The key point here is that light is activating particular pathways in cells that can
32:50The key point here is that light is activating particular pathways in cells that can
32:50The key point here is that light is activating particular pathways in cells that can
32:55either drive death of cells or can make those cells essentially younger by increasing ATP
32:55either drive death of cells or can make those cells essentially younger by increasing ATP
32:55either drive death of cells or can make those cells essentially younger by increasing ATP
32:55either drive death of cells or can make those cells essentially younger by increasing ATP
32:55either drive death of cells or can make those cells essentially younger by increasing ATP
32:55either drive death of cells or can make those cells essentially younger by increasing ATP
33:02by way of improving mitochondrial function.
33:02by way of improving mitochondrial function.
33:02by way of improving mitochondrial function.
33:02by way of improving mitochondrial function.
33:02by way of improving mitochondrial function.
33:02by way of improving mitochondrial function.
33:05And in recent years, there've been some just beautiful examples that exist not only in
33:05And in recent years, there've been some just beautiful examples that exist not only in
33:05And in recent years, there've been some just beautiful examples that exist not only in
33:05And in recent years, there've been some just beautiful examples that exist not only in
33:05And in recent years, there've been some just beautiful examples that exist not only in
33:05And in recent years, there've been some just beautiful examples that exist not only in
33:11the realm of skin biology, but in the realm of neurobiology, whereby red light and
33:11the realm of skin biology, but in the realm of neurobiology, whereby red light and
33:11the realm of skin biology, but in the realm of neurobiology, whereby red light and
33:11the realm of skin biology, but in the realm of neurobiology, whereby red light and
33:11the realm of skin biology, but in the realm of neurobiology, whereby red light and
33:11the realm of skin biology, but in the realm of neurobiology, whereby red light and
33:17near -infrared light can actually be used to enhance the function of the cells that
33:17near -infrared light can actually be used to enhance the function of the cells that
33:17near -infrared light can actually be used to enhance the function of the cells that
33:17near -infrared light can actually be used to enhance the function of the cells that
33:17near -infrared light can actually be used to enhance the function of the cells that
33:17near -infrared light can actually be used to enhance the function of the cells that
33:20for instance, allow us to see better and indeed cells that allow us to think
33:20for instance, allow us to see better and indeed cells that allow us to think
33:20for instance, allow us to see better and indeed cells that allow us to think
33:20for instance, allow us to see better and indeed cells that allow us to think
33:20for instance, allow us to see better and indeed cells that allow us to think
33:20for instance, allow us to see better and indeed cells that allow us to think
33:25better. And these are the data from Dr.
33:25better. And these are the data from Dr.
33:25better. And these are the data from Dr.
33:25better. And these are the data from Dr.
33:25better. And these are the data from Dr.
33:25better. And these are the data from Dr.
33:27Glenn Jeffrey at University College London, who again is a longstanding member of the neuroscience
33:27Glenn Jeffrey at University College London, who again is a longstanding member of the neuroscience
33:27Glenn Jeffrey at University College London, who again is a longstanding member of the neuroscience
33:27Glenn Jeffrey at University College London, who again is a longstanding member of the neuroscience
33:27Glenn Jeffrey at University College London, who again is a longstanding member of the neuroscience
33:27Glenn Jeffrey at University College London, who again is a longstanding member of the neuroscience
33:34community working on visual neuroscience and who over the last decade or so has really
33:34community working on visual neuroscience and who over the last decade or so has really
33:34community working on visual neuroscience and who over the last decade or so has really
33:34community working on visual neuroscience and who over the last decade or so has really
33:34community working on visual neuroscience and who over the last decade or so has really
33:34community working on visual neuroscience and who over the last decade or so has really
33:39emphasized the exploration of red light and near -infrared light for restoration of neuronal function
33:39emphasized the exploration of red light and near -infrared light for restoration of neuronal function
33:39emphasized the exploration of red light and near -infrared light for restoration of neuronal function
33:39emphasized the exploration of red light and near -infrared light for restoration of neuronal function
33:39emphasized the exploration of red light and near -infrared light for restoration of neuronal function
33:39emphasized the exploration of red light and near -infrared light for restoration of neuronal function
33:46as we age. The Jeffrey lab has published two studies in recent years on humans
33:46as we age. The Jeffrey lab has published two studies in recent years on humans
33:46as we age. The Jeffrey lab has published two studies in recent years on humans
33:46as we age. The Jeffrey lab has published two studies in recent years on humans
33:46as we age. The Jeffrey lab has published two studies in recent years on humans
33:46as we age. The Jeffrey lab has published two studies in recent years on humans
33:51that looked directly at how red light and near -infrared light can improve visual function.
33:51that looked directly at how red light and near -infrared light can improve visual function.
33:51that looked directly at how red light and near -infrared light can improve visual function.
33:51that looked directly at how red light and near -infrared light can improve visual function.
33:51that looked directly at how red light and near -infrared light can improve visual function.
33:51that looked directly at how red light and near -infrared light can improve visual function.
33:57The Jeffrey lab approached these studies with that understanding of how mitochondria and reactive oxygen
33:57The Jeffrey lab approached these studies with that understanding of how mitochondria and reactive oxygen
33:57The Jeffrey lab approached these studies with that understanding of how mitochondria and reactive oxygen
33:57The Jeffrey lab approached these studies with that understanding of how mitochondria and reactive oxygen
33:57The Jeffrey lab approached these studies with that understanding of how mitochondria and reactive oxygen
33:57The Jeffrey lab approached these studies with that understanding of how mitochondria and reactive oxygen
34:03species and ATP work. And what they did is they had people, subjects that were
34:03species and ATP work. And what they did is they had people, subjects that were
34:03species and ATP work. And what they did is they had people, subjects that were
34:03species and ATP work. And what they did is they had people, subjects that were
34:03species and ATP work. And what they did is they had people, subjects that were
34:03species and ATP work. And what they did is they had people, subjects that were
34:08either younger, so in their twenties or 40 years old or older, view red light
34:08either younger, so in their twenties or 40 years old or older, view red light
34:08either younger, so in their twenties or 40 years old or older, view red light
34:08either younger, so in their twenties or 40 years old or older, view red light
34:08either younger, so in their twenties or 40 years old or older, view red light
34:08either younger, so in their twenties or 40 years old or older, view red light
34:14of about 670 nanometers. 670 nanometers would appear red to you and me.
34:14of about 670 nanometers. 670 nanometers would appear red to you and me.
34:14of about 670 nanometers. 670 nanometers would appear red to you and me.
34:14of about 670 nanometers. 670 nanometers would appear red to you and me.
34:14of about 670 nanometers. 670 nanometers would appear red to you and me.
34:14of about 670 nanometers. 670 nanometers would appear red to you and me.
34:20They had them do that, excuse me, at a distance that was safe for their
34:20They had them do that, excuse me, at a distance that was safe for their
34:20They had them do that, excuse me, at a distance that was safe for their
34:20They had them do that, excuse me, at a distance that was safe for their
34:20They had them do that, excuse me, at a distance that was safe for their
34:20They had them do that, excuse me, at a distance that was safe for their
34:24eyes. So at about a foot away.
34:24eyes. So at about a foot away.
34:24eyes. So at about a foot away.
34:24eyes. So at about a foot away.
34:24eyes. So at about a foot away.
34:24eyes. So at about a foot away.
34:26And they had them do that anywhere from two to three minutes per day.
34:26And they had them do that anywhere from two to three minutes per day.
34:26And they had them do that anywhere from two to three minutes per day.
34:26And they had them do that anywhere from two to three minutes per day.
34:26And they had them do that anywhere from two to three minutes per day.
34:26And they had them do that anywhere from two to three minutes per day.
34:30And in one study, they had them do that for a long period of time
34:30And in one study, they had them do that for a long period of time
34:30And in one study, they had them do that for a long period of time
34:30And in one study, they had them do that for a long period of time
34:30And in one study, they had them do that for a long period of time
34:30And in one study, they had them do that for a long period of time
34:33of about 12 weeks. And in the other study, they had them do that just
34:33of about 12 weeks. And in the other study, they had them do that just
34:33of about 12 weeks. And in the other study, they had them do that just
34:33of about 12 weeks. And in the other study, they had them do that just
34:33of about 12 weeks. And in the other study, they had them do that just
34:33of about 12 weeks. And in the other study, they had them do that just
34:36for a couple of weeks.
34:36for a couple of weeks.
34:36for a couple of weeks.
34:36for a couple of weeks.
34:36for a couple of weeks.
34:36for a couple of weeks.
34:37The major findings were that in individuals 40 years old or older, so in the
34:37The major findings were that in individuals 40 years old or older, so in the
34:37The major findings were that in individuals 40 years old or older, so in the
34:37The major findings were that in individuals 40 years old or older, so in the
34:37The major findings were that in individuals 40 years old or older, so in the
34:37The major findings were that in individuals 40 years old or older, so in the
34:4440 to 72 year old bracket, but not in the subjects younger than 40 years
34:4440 to 72 year old bracket, but not in the subjects younger than 40 years
34:4440 to 72 year old bracket, but not in the subjects younger than 40 years
34:4440 to 72 year old bracket, but not in the subjects younger than 40 years
34:4440 to 72 year old bracket, but not in the subjects younger than 40 years
34:4440 to 72 year old bracket, but not in the subjects younger than 40 years
34:51old, they saw an improvement in visual function that improved.
34:51old, they saw an improvement in visual function that improved.
34:51old, they saw an improvement in visual function that improved.
34:51old, they saw an improvement in visual function that improved.
34:51old, they saw an improvement in visual function that improved.
34:51old, they saw an improvement in visual function that improved.
34:55Improving in visual function was an improvement in visual acuity, meaning the ability to resolve
34:55Improving in visual function was an improvement in visual acuity, meaning the ability to resolve
34:55Improving in visual function was an improvement in visual acuity, meaning the ability to resolve
34:55Improving in visual function was an improvement in visual acuity, meaning the ability to resolve
34:55Improving in visual function was an improvement in visual acuity, meaning the ability to resolve
34:55Improving in visual function was an improvement in visual acuity, meaning the ability to resolve
35:00fine detail and using a particular measure of visual function, which is called the Tritan
35:00fine detail and using a particular measure of visual function, which is called the Tritan
35:00fine detail and using a particular measure of visual function, which is called the Tritan
35:00fine detail and using a particular measure of visual function, which is called the Tritan
35:00fine detail and using a particular measure of visual function, which is called the Tritan
35:00fine detail and using a particular measure of visual function, which is called the Tritan
35:07exam, T -R -I -T -A -N, Tritan exam, which specifically addresses the function of
35:07exam, T -R -I -T -A -N, Tritan exam, which specifically addresses the function of
35:07exam, T -R -I -T -A -N, Tritan exam, which specifically addresses the function of
35:07exam, T -R -I -T -A -N, Tritan exam, which specifically addresses the function of
35:07exam, T -R -I -T -A -N, Tritan exam, which specifically addresses the function of
35:07exam, T -R -I -T -A -N, Tritan exam, which specifically addresses the function of
35:15the so -called short wavelength cones, the ones that respond to green and blue light.
35:15the so -called short wavelength cones, the ones that respond to green and blue light.
35:15the so -called short wavelength cones, the ones that respond to green and blue light.
35:15the so -called short wavelength cones, the ones that respond to green and blue light.
35:15the so -called short wavelength cones, the ones that respond to green and blue light.
35:15the so -called short wavelength cones, the ones that respond to green and blue light.
35:20They saw a 22 % improvement in visual acuity, which in the landscape of visual
35:20They saw a 22 % improvement in visual acuity, which in the landscape of visual
35:20They saw a 22 % improvement in visual acuity, which in the landscape of visual
35:20They saw a 22 % improvement in visual acuity, which in the landscape of visual
35:20They saw a 22 % improvement in visual acuity, which in the landscape of visual
35:20They saw a 22 % improvement in visual acuity, which in the landscape of visual
35:26testing is an extremely exciting result.
35:26testing is an extremely exciting result.
35:26testing is an extremely exciting result.
35:26testing is an extremely exciting result.
35:26testing is an extremely exciting result.
35:26testing is an extremely exciting result.
35:30As we age, we tend to lose rods.
35:30As we age, we tend to lose rods.
35:30As we age, we tend to lose rods.
35:30As we age, we tend to lose rods.
35:30As we age, we tend to lose rods.
35:30As we age, we tend to lose rods.
35:33We tend to lose other cells within the retina, including the cells that connect the
35:33We tend to lose other cells within the retina, including the cells that connect the
35:33We tend to lose other cells within the retina, including the cells that connect the
35:33We tend to lose other cells within the retina, including the cells that connect the
35:33We tend to lose other cells within the retina, including the cells that connect the
35:33We tend to lose other cells within the retina, including the cells that connect the
35:36eye to the brain, the so -called ganglion cells.
35:36eye to the brain, the so -called ganglion cells.
35:36eye to the brain, the so -called ganglion cells.
35:36eye to the brain, the so -called ganglion cells.
35:36eye to the brain, the so -called ganglion cells.
35:36eye to the brain, the so -called ganglion cells.
35:38However, because rods and cones both are not just among the most metabolically active cells
35:38However, because rods and cones both are not just among the most metabolically active cells
35:38However, because rods and cones both are not just among the most metabolically active cells
35:38However, because rods and cones both are not just among the most metabolically active cells
35:38However, because rods and cones both are not just among the most metabolically active cells
35:38However, because rods and cones both are not just among the most metabolically active cells
35:45in your entire body, but the most metabolically active cells in your entire body, those
35:45in your entire body, but the most metabolically active cells in your entire body, those
35:45in your entire body, but the most metabolically active cells in your entire body, those
35:45in your entire body, but the most metabolically active cells in your entire body, those
35:45in your entire body, but the most metabolically active cells in your entire body, those
35:45in your entire body, but the most metabolically active cells in your entire body, those
35:51cells tend to accumulate a lot of reactive oxygen species as we age.
35:51cells tend to accumulate a lot of reactive oxygen species as we age.
35:51cells tend to accumulate a lot of reactive oxygen species as we age.
35:51cells tend to accumulate a lot of reactive oxygen species as we age.
35:51cells tend to accumulate a lot of reactive oxygen species as we age.
35:51cells tend to accumulate a lot of reactive oxygen species as we age.
35:56Red light of the sort used in these studies was able to reduce the amount
35:56Red light of the sort used in these studies was able to reduce the amount
35:56Red light of the sort used in these studies was able to reduce the amount
35:56Red light of the sort used in these studies was able to reduce the amount
35:56Red light of the sort used in these studies was able to reduce the amount
35:56Red light of the sort used in these studies was able to reduce the amount
36:01of reactive oxygen species in the rods and cones and to rescue the function of
36:01of reactive oxygen species in the rods and cones and to rescue the function of
36:01of reactive oxygen species in the rods and cones and to rescue the function of
36:01of reactive oxygen species in the rods and cones and to rescue the function of
36:01of reactive oxygen species in the rods and cones and to rescue the function of
36:01of reactive oxygen species in the rods and cones and to rescue the function of
36:07this particular cone type, the short wavelength and medium wavelength cones.
36:07this particular cone type, the short wavelength and medium wavelength cones.
36:07this particular cone type, the short wavelength and medium wavelength cones.
36:07this particular cone type, the short wavelength and medium wavelength cones.
36:07this particular cone type, the short wavelength and medium wavelength cones.
36:07this particular cone type, the short wavelength and medium wavelength cones.
36:10The important takeaway here is that viewing red light and near -infrared light at a
36:10The important takeaway here is that viewing red light and near -infrared light at a
36:10The important takeaway here is that viewing red light and near -infrared light at a
36:10The important takeaway here is that viewing red light and near -infrared light at a
36:10The important takeaway here is that viewing red light and near -infrared light at a
36:10The important takeaway here is that viewing red light and near -infrared light at a
36:15distance at which it is safe for just a couple of minutes each day allowed
36:15distance at which it is safe for just a couple of minutes each day allowed
36:15distance at which it is safe for just a couple of minutes each day allowed
36:15distance at which it is safe for just a couple of minutes each day allowed
36:15distance at which it is safe for just a couple of minutes each day allowed
36:15distance at which it is safe for just a couple of minutes each day allowed
36:19a reversal of the aging process of these neurons.
36:19a reversal of the aging process of these neurons.
36:19a reversal of the aging process of these neurons.
36:19a reversal of the aging process of these neurons.
36:19a reversal of the aging process of these neurons.
36:19a reversal of the aging process of these neurons.
36:22So here we're seeing a reversal of the aging process in neurons by shining red
36:22So here we're seeing a reversal of the aging process in neurons by shining red
36:22So here we're seeing a reversal of the aging process in neurons by shining red
36:22So here we're seeing a reversal of the aging process in neurons by shining red
36:22So here we're seeing a reversal of the aging process in neurons by shining red
36:22So here we're seeing a reversal of the aging process in neurons by shining red
36:27light on those neurons. So a little bit more about the studies from the Jeffrey
36:27light on those neurons. So a little bit more about the studies from the Jeffrey
36:27light on those neurons. So a little bit more about the studies from the Jeffrey
36:27light on those neurons. So a little bit more about the studies from the Jeffrey
36:27light on those neurons. So a little bit more about the studies from the Jeffrey
36:27light on those neurons. So a little bit more about the studies from the Jeffrey
36:32lab. One of the things that they observed was a reduction in so -called drusen,
36:32lab. One of the things that they observed was a reduction in so -called drusen,
36:32lab. One of the things that they observed was a reduction in so -called drusen,
36:32lab. One of the things that they observed was a reduction in so -called drusen,
36:32lab. One of the things that they observed was a reduction in so -called drusen,
36:32lab. One of the things that they observed was a reduction in so -called drusen,
36:37D -R -U -S -E -N.
36:37D -R -U -S -E -N.
36:37D -R -U -S -E -N.
36:37D -R -U -S -E -N.
36:37D -R -U -S -E -N.
36:37D -R -U -S -E -N.
36:39Drusen are little fatty deposits, little cholesterol deposits that accumulate in the eye as we
36:39Drusen are little fatty deposits, little cholesterol deposits that accumulate in the eye as we
36:39Drusen are little fatty deposits, little cholesterol deposits that accumulate in the eye as we
36:39Drusen are little fatty deposits, little cholesterol deposits that accumulate in the eye as we
36:39Drusen are little fatty deposits, little cholesterol deposits that accumulate in the eye as we
36:39Drusen are little fatty deposits, little cholesterol deposits that accumulate in the eye as we
36:46age. Our neural retina being so metabolically active requires a lot of blood flow.
36:46age. Our neural retina being so metabolically active requires a lot of blood flow.
36:46age. Our neural retina being so metabolically active requires a lot of blood flow.
36:46age. Our neural retina being so metabolically active requires a lot of blood flow.
36:46age. Our neural retina being so metabolically active requires a lot of blood flow.
36:46age. Our neural retina being so metabolically active requires a lot of blood flow.
36:51It's heavily vascularized. And drusen are a special form of cholesterol that accumulate in the
36:51It's heavily vascularized. And drusen are a special form of cholesterol that accumulate in the
36:51It's heavily vascularized. And drusen are a special form of cholesterol that accumulate in the
36:51It's heavily vascularized. And drusen are a special form of cholesterol that accumulate in the
36:51It's heavily vascularized. And drusen are a special form of cholesterol that accumulate in the
36:51It's heavily vascularized. And drusen are a special form of cholesterol that accumulate in the
36:56eye. As it turns out, these red light and near -infrared light therapies explored by
36:56eye. As it turns out, these red light and near -infrared light therapies explored by
36:56eye. As it turns out, these red light and near -infrared light therapies explored by
36:56eye. As it turns out, these red light and near -infrared light therapies explored by
36:56eye. As it turns out, these red light and near -infrared light therapies explored by
36:56eye. As it turns out, these red light and near -infrared light therapies explored by
37:01the Jeffrey lab were able to actually reduce or reverse some of the accumulation.
37:01the Jeffrey lab were able to actually reduce or reverse some of the accumulation.
37:01the Jeffrey lab were able to actually reduce or reverse some of the accumulation.
37:01the Jeffrey lab were able to actually reduce or reverse some of the accumulation.
37:01the Jeffrey lab were able to actually reduce or reverse some of the accumulation.
37:01the Jeffrey lab were able to actually reduce or reverse some of the accumulation.
37:06was a little bit less than that.
37:06was a little bit less than that.
37:06was a little bit less than that.
37:06was a little bit less than that.
37:06was a little bit less than that.
37:06was a little bit less than that.
37:06this is very important part of the fore tyrezą aromas of drusen and so in
37:06this is very important part of the fore tyrezą aromas of drusen and so in
37:06this is very important part of the fore tyrezą aromas of drusen and so in
37:06this is very important part of the fore tyrezą aromas of drusen and so in
37:06this is very important part of the fore tyrezą aromas of drusen and so in
37:06this is very important part of the fore tyrezą aromas of drusen and so in
37:08addition to reducing reactive oxygen species the idea in mind now is that red light
37:08addition to reducing reactive oxygen species the idea in mind now is that red light
37:08addition to reducing reactive oxygen species the idea in mind now is that red light
37:08addition to reducing reactive oxygen species the idea in mind now is that red light
37:08addition to reducing reactive oxygen species the idea in mind now is that red light
37:08addition to reducing reactive oxygen species the idea in mind now is that red light
37:14may actually reduce cholesterol deposits and reactive oxygen species in order to improve neuronal function
37:14may actually reduce cholesterol deposits and reactive oxygen species in order to improve neuronal function
37:14may actually reduce cholesterol deposits and reactive oxygen species in order to improve neuronal function
37:14may actually reduce cholesterol deposits and reactive oxygen species in order to improve neuronal function
37:14may actually reduce cholesterol deposits and reactive oxygen species in order to improve neuronal function
37:14may actually reduce cholesterol deposits and reactive oxygen species in order to improve neuronal function
37:21so what should you and i do with these results or should we do anything
37:21so what should you and i do with these results or should we do anything
37:21so what should you and i do with these results or should we do anything
37:21so what should you and i do with these results or should we do anything
37:21so what should you and i do with these results or should we do anything
37:21so what should you and i do with these results or should we do anything
37:24with these results well first of all i want to emphasize that even though these
37:24with these results well first of all i want to emphasize that even though these
37:24with these results well first of all i want to emphasize that even though these
37:24with these results well first of all i want to emphasize that even though these
37:24with these results well first of all i want to emphasize that even though these
37:24with these results well first of all i want to emphasize that even though these
37:28studies are very exciting they are fairly recent and so more data as always are
37:28studies are very exciting they are fairly recent and so more data as always are
37:28studies are very exciting they are fairly recent and so more data as always are
37:28studies are very exciting they are fairly recent and so more data as always are
37:28studies are very exciting they are fairly recent and so more data as always are
37:28studies are very exciting they are fairly recent and so more data as always are
37:33needed there's some additional features of these studies that i think are also important to
37:33needed there's some additional features of these studies that i think are also important to
37:33needed there's some additional features of these studies that i think are also important to
37:33needed there's some additional features of these studies that i think are also important to
37:33needed there's some additional features of these studies that i think are also important to
37:33needed there's some additional features of these studies that i think are also important to
37:37consider first of all the exposure to red light needed to happen early in the
37:37consider first of all the exposure to red light needed to happen early in the
37:37consider first of all the exposure to red light needed to happen early in the
37:37consider first of all the exposure to red light needed to happen early in the
37:37consider first of all the exposure to red light needed to happen early in the
37:37consider first of all the exposure to red light needed to happen early in the
37:42day at least within the first three hours of waking how would one do that
37:42day at least within the first three hours of waking how would one do that
37:42day at least within the first three hours of waking how would one do that
37:42day at least within the first three hours of waking how would one do that
37:42day at least within the first three hours of waking how would one do that
37:42day at least within the first three hours of waking how would one do that
37:48well nowadays there are a number of different red light panels and different red light
37:48well nowadays there are a number of different red light panels and different red light
37:48well nowadays there are a number of different red light panels and different red light
37:48well nowadays there are a number of different red light panels and different red light
37:48well nowadays there are a number of different red light panels and different red light
37:48well nowadays there are a number of different red light panels and different red light
37:53sources that certainly fall within the range of red light and near infrared light that
37:53sources that certainly fall within the range of red light and near infrared light that
37:53sources that certainly fall within the range of red light and near infrared light that
37:53sources that certainly fall within the range of red light and near infrared light that
37:53sources that certainly fall within the range of red light and near infrared light that
37:53sources that certainly fall within the range of red light and near infrared light that
37:57one could use so if you're somebody who wants to explore red light therapy here's
37:57one could use so if you're somebody who wants to explore red light therapy here's
37:57one could use so if you're somebody who wants to explore red light therapy here's
37:57one could use so if you're somebody who wants to explore red light therapy here's
37:57one could use so if you're somebody who wants to explore red light therapy here's
37:57one could use so if you're somebody who wants to explore red light therapy here's
38:02what you need to do you need to make sure that that red light source
38:02what you need to do you need to make sure that that red light source
38:02what you need to do you need to make sure that that red light source
38:02what you need to do you need to make sure that that red light source
38:02what you need to do you need to make sure that that red light source
38:02what you need to do you need to make sure that that red light source
38:05it's not so bright that you're damaging your eye a good rule of thumb is
38:05it's not so bright that you're damaging your eye a good rule of thumb is
38:05it's not so bright that you're damaging your eye a good rule of thumb is
38:05it's not so bright that you're damaging your eye a good rule of thumb is
38:05it's not so bright that you're damaging your eye a good rule of thumb is
38:05it's not so bright that you're damaging your eye a good rule of thumb is
38:09that something isn't painful to look at and in fact i should just emphasize that
38:09that something isn't painful to look at and in fact i should just emphasize that
38:09that something isn't painful to look at and in fact i should just emphasize that
38:09that something isn't painful to look at and in fact i should just emphasize that
38:09that something isn't painful to look at and in fact i should just emphasize that
38:09that something isn't painful to look at and in fact i should just emphasize that
38:13anytime you look at any light source sunlight or otherwise that's painful it makes you
38:13anytime you look at any light source sunlight or otherwise that's painful it makes you
38:13anytime you look at any light source sunlight or otherwise that's painful it makes you
38:13anytime you look at any light source sunlight or otherwise that's painful it makes you
38:13anytime you look at any light source sunlight or otherwise that's painful it makes you
38:13anytime you look at any light source sunlight or otherwise that's painful it makes you
38:17want to squint or close your eyes that means it's too bright to look at
38:17want to squint or close your eyes that means it's too bright to look at
38:17want to squint or close your eyes that means it's too bright to look at
38:17want to squint or close your eyes that means it's too bright to look at
38:17want to squint or close your eyes that means it's too bright to look at
38:17want to squint or close your eyes that means it's too bright to look at
38:20without closing your eyes okay that's sort of a duh but i would loathe to
38:20without closing your eyes okay that's sort of a duh but i would loathe to
38:20without closing your eyes okay that's sort of a duh but i would loathe to
38:20without closing your eyes okay that's sort of a duh but i would loathe to
38:20without closing your eyes okay that's sort of a duh but i would loathe to
38:20without closing your eyes okay that's sort of a duh but i would loathe to
38:24think that anyone would harm themselves with bright light in any way i don't just
38:24think that anyone would harm themselves with bright light in any way i don't just
38:24think that anyone would harm themselves with bright light in any way i don't just
38:24think that anyone would harm themselves with bright light in any way i don't just
38:24think that anyone would harm themselves with bright light in any way i don't just
38:24think that anyone would harm themselves with bright light in any way i don't just
38:27say that to protect us i say that to protect you of course because you
38:27say that to protect us i say that to protect you of course because you
38:27say that to protect us i say that to protect you of course because you
38:27say that to protect us i say that to protect you of course because you
38:27say that to protect us i say that to protect you of course because you
38:27say that to protect us i say that to protect you of course because you
38:31are responsible for your health and again retinal neurons do not regenerate once they are
38:31are responsible for your health and again retinal neurons do not regenerate once they are
38:31are responsible for your health and again retinal neurons do not regenerate once they are
38:31are responsible for your health and again retinal neurons do not regenerate once they are
38:31are responsible for your health and again retinal neurons do not regenerate once they are
38:31are responsible for your health and again retinal neurons do not regenerate once they are
38:35gone and dead they do not come back the wavelength of light is important it
38:35gone and dead they do not come back the wavelength of light is important it
38:35gone and dead they do not come back the wavelength of light is important it
38:35gone and dead they do not come back the wavelength of light is important it
38:35gone and dead they do not come back the wavelength of light is important it
38:35gone and dead they do not come back the wavelength of light is important it
38:39is red light and near infrared light that is going to be effective in this
38:39is red light and near infrared light that is going to be effective in this
38:39is red light and near infrared light that is going to be effective in this
38:39is red light and near infrared light that is going to be effective in this
38:39is red light and near infrared light that is going to be effective in this
38:39is red light and near infrared light that is going to be effective in this
38:44scenario the authors of this study emphasized that it was red light of 670 nanometers
38:44scenario the authors of this study emphasized that it was red light of 670 nanometers
38:44scenario the authors of this study emphasized that it was red light of 670 nanometers
38:44scenario the authors of this study emphasized that it was red light of 670 nanometers
38:44scenario the authors of this study emphasized that it was red light of 670 nanometers
38:44scenario the authors of this study emphasized that it was red light of 670 nanometers
38:49in wavelength and near infrared light of 790 nanometers in wavelength that were effective and
38:49in wavelength and near infrared light of 790 nanometers in wavelength that were effective and
38:49in wavelength and near infrared light of 790 nanometers in wavelength that were effective and
38:49in wavelength and near infrared light of 790 nanometers in wavelength that were effective and
38:49in wavelength and near infrared light of 790 nanometers in wavelength that were effective and
38:49in wavelength and near infrared light of 790 nanometers in wavelength that were effective and
38:57that those wavelengths could be complementary a lot of the commercially available red light panels
38:57that those wavelengths could be complementary a lot of the commercially available red light panels
38:57that those wavelengths could be complementary a lot of the commercially available red light panels
38:57that those wavelengths could be complementary a lot of the commercially available red light panels
38:57that those wavelengths could be complementary a lot of the commercially available red light panels
38:57that those wavelengths could be complementary a lot of the commercially available red light panels
39:02that you'll find out there combine both red light and near infrared light however i
39:02that you'll find out there combine both red light and near infrared light however i
39:02that you'll find out there combine both red light and near infrared light however i
39:02that you'll find out there combine both red light and near infrared light however i
39:02that you'll find out there combine both red light and near infrared light however i
39:02that you'll find out there combine both red light and near infrared light however i
39:06want to emphasize that most of the panels that are commercially available are going to
39:06want to emphasize that most of the panels that are commercially available are going to
39:06want to emphasize that most of the panels that are commercially available are going to
39:06want to emphasize that most of the panels that are commercially available are going to
39:06want to emphasize that most of the panels that are commercially available are going to
39:06want to emphasize that most of the panels that are commercially available are going to
39:11be too bright to safely look at very close up and in fact that's why
39:11be too bright to safely look at very close up and in fact that's why
39:11be too bright to safely look at very close up and in fact that's why
39:11be too bright to safely look at very close up and in fact that's why
39:11be too bright to safely look at very close up and in fact that's why
39:11be too bright to safely look at very close up and in fact that's why
39:15most of those red light panels are designed you for illumination of the skin and
39:15most of those red light panels are designed you for illumination of the skin and
39:15most of those red light panels are designed you for illumination of the skin and
39:15most of those red light panels are designed you for illumination of the skin and
39:15most of those red light panels are designed you for illumination of the skin and
39:15most of those red light panels are designed you for illumination of the skin and
39:19oftentimes arrive in their packaging with eye protectors that are actually designed to shield out
39:19oftentimes arrive in their packaging with eye protectors that are actually designed to shield out
39:19oftentimes arrive in their packaging with eye protectors that are actually designed to shield out
39:19oftentimes arrive in their packaging with eye protectors that are actually designed to shield out
39:19oftentimes arrive in their packaging with eye protectors that are actually designed to shield out
39:19oftentimes arrive in their packaging with eye protectors that are actually designed to shield out
39:25all the red light. So take the potential dangers of excessive illumination of the eyes
39:25all the red light. So take the potential dangers of excessive illumination of the eyes
39:25all the red light. So take the potential dangers of excessive illumination of the eyes
39:25all the red light. So take the potential dangers of excessive illumination of the eyes
39:25all the red light. So take the potential dangers of excessive illumination of the eyes
39:25all the red light. So take the potential dangers of excessive illumination of the eyes
39:31with any wavelength of light seriously, but if you're going to explore 670 and 790
39:31with any wavelength of light seriously, but if you're going to explore 670 and 790
39:31with any wavelength of light seriously, but if you're going to explore 670 and 790
39:31with any wavelength of light seriously, but if you're going to explore 670 and 790
39:31with any wavelength of light seriously, but if you're going to explore 670 and 790
39:31with any wavelength of light seriously, but if you're going to explore 670 and 790
39:36nanometer light for sake of enhancing neuronal function, set it at a distance that's comfortable
39:36nanometer light for sake of enhancing neuronal function, set it at a distance that's comfortable
39:36nanometer light for sake of enhancing neuronal function, set it at a distance that's comfortable
39:36nanometer light for sake of enhancing neuronal function, set it at a distance that's comfortable
39:36nanometer light for sake of enhancing neuronal function, set it at a distance that's comfortable
39:36nanometer light for sake of enhancing neuronal function, set it at a distance that's comfortable
39:42to look at and that doesn't force you to squint or doesn't make you feel
39:42to look at and that doesn't force you to squint or doesn't make you feel
39:42to look at and that doesn't force you to squint or doesn't make you feel
39:42to look at and that doesn't force you to squint or doesn't make you feel
39:42to look at and that doesn't force you to squint or doesn't make you feel
39:42to look at and that doesn't force you to squint or doesn't make you feel
39:45uncomfortable physically as if you need to turn away during the period of that two
39:45uncomfortable physically as if you need to turn away during the period of that two
39:45uncomfortable physically as if you need to turn away during the period of that two
39:45uncomfortable physically as if you need to turn away during the period of that two
39:45uncomfortable physically as if you need to turn away during the period of that two
39:45uncomfortable physically as if you need to turn away during the period of that two
39:51to three minute illumination each day.
39:51to three minute illumination each day.
39:51to three minute illumination each day.
39:51to three minute illumination each day.
39:51to three minute illumination each day.
39:51to three minute illumination each day.
39:53So the studies I just described, once again, involve the use of red light early
39:53So the studies I just described, once again, involve the use of red light early
39:53So the studies I just described, once again, involve the use of red light early
39:53So the studies I just described, once again, involve the use of red light early
39:53So the studies I just described, once again, involve the use of red light early
39:53So the studies I just described, once again, involve the use of red light early
39:57in the day within three hours of waking and are for the sake of improving
39:57in the day within three hours of waking and are for the sake of improving
39:57in the day within three hours of waking and are for the sake of improving
39:57in the day within three hours of waking and are for the sake of improving
39:57in the day within three hours of waking and are for the sake of improving
39:57in the day within three hours of waking and are for the sake of improving
40:00neuronal function. Red light has also been shown to be beneficial late in the day
40:00neuronal function. Red light has also been shown to be beneficial late in the day
40:00neuronal function. Red light has also been shown to be beneficial late in the day
40:00neuronal function. Red light has also been shown to be beneficial late in the day
40:00neuronal function. Red light has also been shown to be beneficial late in the day
40:00neuronal function. Red light has also been shown to be beneficial late in the day
40:07and even in the middle of the night.
40:07and even in the middle of the night.
40:07and even in the middle of the night.
40:07and even in the middle of the night.
40:07and even in the middle of the night.
40:07and even in the middle of the night.
40:08And when I say middle of the night, I'm referring to studies that explore the
40:08And when I say middle of the night, I'm referring to studies that explore the
40:08And when I say middle of the night, I'm referring to studies that explore the
40:08And when I say middle of the night, I'm referring to studies that explore the
40:08And when I say middle of the night, I'm referring to studies that explore the
40:08And when I say middle of the night, I'm referring to studies that explore the
40:12use of red light for shift workers.
40:12use of red light for shift workers.
40:12use of red light for shift workers.
40:12use of red light for shift workers.
40:12use of red light for shift workers.
40:12use of red light for shift workers.
40:14I realized that many people are doing shift work or they have to work certainly
40:14I realized that many people are doing shift work or they have to work certainly
40:14I realized that many people are doing shift work or they have to work certainly
40:14I realized that many people are doing shift work or they have to work certainly
40:14I realized that many people are doing shift work or they have to work certainly
40:14I realized that many people are doing shift work or they have to work certainly
40:18past 10 p .m. or maybe they're taking care of young children in the middle
40:18past 10 p .m. or maybe they're taking care of young children in the middle
40:18past 10 p .m. or maybe they're taking care of young children in the middle
40:18past 10 p .m. or maybe they're taking care of young children in the middle
40:18past 10 p .m. or maybe they're taking care of young children in the middle
40:18past 10 p .m. or maybe they're taking care of young children in the middle
40:21of the night and they have to be up.
40:21of the night and they have to be up.
40:21of the night and they have to be up.
40:21of the night and they have to be up.
40:21of the night and they have to be up.
40:21of the night and they have to be up.
40:23In that case, red light can actually be very beneficial.
40:23In that case, red light can actually be very beneficial.
40:23In that case, red light can actually be very beneficial.
40:23In that case, red light can actually be very beneficial.
40:23In that case, red light can actually be very beneficial.
40:23In that case, red light can actually be very beneficial.
40:26And nowadays there are a lot of sources of red light available just as red
40:26And nowadays there are a lot of sources of red light available just as red
40:26And nowadays there are a lot of sources of red light available just as red
40:26And nowadays there are a lot of sources of red light available just as red
40:26And nowadays there are a lot of sources of red light available just as red
40:26And nowadays there are a lot of sources of red light available just as red
40:29light bulbs. You don't need a panel.
40:29light bulbs. You don't need a panel.
40:29light bulbs. You don't need a panel.
40:29light bulbs. You don't need a panel.
40:29light bulbs. You don't need a panel.
40:29light bulbs. You don't need a panel.
40:31So what I'm basically saying is that it can be beneficial to use red lights
40:31So what I'm basically saying is that it can be beneficial to use red lights
40:31So what I'm basically saying is that it can be beneficial to use red lights
40:31So what I'm basically saying is that it can be beneficial to use red lights
40:31So what I'm basically saying is that it can be beneficial to use red lights
40:31So what I'm basically saying is that it can be beneficial to use red lights
40:36at night. The study I'd like to emphasize in this context is entitled red light,
40:36at night. The study I'd like to emphasize in this context is entitled red light,
40:36at night. The study I'd like to emphasize in this context is entitled red light,
40:36at night. The study I'd like to emphasize in this context is entitled red light,
40:36at night. The study I'd like to emphasize in this context is entitled red light,
40:36at night. The study I'd like to emphasize in this context is entitled red light,
40:40a novel non -pharmacological intervention to promote alertness in shift workers.
40:40a novel non -pharmacological intervention to promote alertness in shift workers.
40:40a novel non -pharmacological intervention to promote alertness in shift workers.
40:40a novel non -pharmacological intervention to promote alertness in shift workers.
40:40a novel non -pharmacological intervention to promote alertness in shift workers.
40:40a novel non -pharmacological intervention to promote alertness in shift workers.
40:45The takeaway from this study is very clear.
40:45The takeaway from this study is very clear.
40:45The takeaway from this study is very clear.
40:45The takeaway from this study is very clear.
40:45The takeaway from this study is very clear.
40:45The takeaway from this study is very clear.
40:48If you need to be awake late at night for sake of shift work or
40:48If you need to be awake late at night for sake of shift work or
40:48If you need to be awake late at night for sake of shift work or
40:48If you need to be awake late at night for sake of shift work or
40:48If you need to be awake late at night for sake of shift work or
40:48If you need to be awake late at night for sake of shift work or
40:51studying or taking care of children, et cetera, red light is going to be your
40:51studying or taking care of children, et cetera, red light is going to be your
40:51studying or taking care of children, et cetera, red light is going to be your
40:51studying or taking care of children, et cetera, red light is going to be your
40:51studying or taking care of children, et cetera, red light is going to be your
40:51studying or taking care of children, et cetera, red light is going to be your
40:55best choice because if the red light is sufficiently dim, it's not going to inhibit
40:55best choice because if the red light is sufficiently dim, it's not going to inhibit
40:55best choice because if the red light is sufficiently dim, it's not going to inhibit
40:55best choice because if the red light is sufficiently dim, it's not going to inhibit
40:55best choice because if the red light is sufficiently dim, it's not going to inhibit
40:55best choice because if the red light is sufficiently dim, it's not going to inhibit
41:03melatonin production and it's not going to increase cortisol at night.
41:03melatonin production and it's not going to increase cortisol at night.
41:03melatonin production and it's not going to increase cortisol at night.
41:03melatonin production and it's not going to increase cortisol at night.
41:03melatonin production and it's not going to increase cortisol at night.
41:03melatonin production and it's not going to increase cortisol at night.
41:07Cortisol should be high early in the day or at least should be elevated relative
41:07Cortisol should be high early in the day or at least should be elevated relative
41:07Cortisol should be high early in the day or at least should be elevated relative
41:07Cortisol should be high early in the day or at least should be elevated relative
41:07Cortisol should be high early in the day or at least should be elevated relative
41:07Cortisol should be high early in the day or at least should be elevated relative
41:11to other times of day if you are healthy.
41:11to other times of day if you are healthy.
41:11to other times of day if you are healthy.
41:11to other times of day if you are healthy.
41:11to other times of day if you are healthy.
41:11to other times of day if you are healthy.
41:13A late shifted increase in cortisol, however, 9 p .m.
41:13A late shifted increase in cortisol, however, 9 p .m.
41:13A late shifted increase in cortisol, however, 9 p .m.
41:13A late shifted increase in cortisol, however, 9 p .m.
41:13A late shifted increase in cortisol, however, 9 p .m.
41:13A late shifted increase in cortisol, however, 9 p .m.
41:17cortisol, 10 p .m. cortisol is well known to be associated with depression and other
41:17cortisol, 10 p .m. cortisol is well known to be associated with depression and other
41:17cortisol, 10 p .m. cortisol is well known to be associated with depression and other
41:17cortisol, 10 p .m. cortisol is well known to be associated with depression and other
41:17cortisol, 10 p .m. cortisol is well known to be associated with depression and other
41:17cortisol, 10 p .m. cortisol is well known to be associated with depression and other
41:22aspects of mental health or I should say mental illness.
41:22aspects of mental health or I should say mental illness.
41:22aspects of mental health or I should say mental illness.
41:22aspects of mental health or I should say mental illness.
41:22aspects of mental health or I should say mental illness.
41:22aspects of mental health or I should say mental illness.
41:25So if you do need to be awake at night or even all night, Red
41:25So if you do need to be awake at night or even all night, Red
41:25So if you do need to be awake at night or even all night, Red
41:25So if you do need to be awake at night or even all night, Red
41:25So if you do need to be awake at night or even all night, Red
41:25So if you do need to be awake at night or even all night, Red
41:29light is going to be the preferred light source.
41:29light is going to be the preferred light source.
41:29light is going to be the preferred light source.
41:29light is going to be the preferred light source.
41:29light is going to be the preferred light source.
41:29light is going to be the preferred light source.
41:32And in terms of how bright to make it, well, as dim as you can
41:32And in terms of how bright to make it, well, as dim as you can
41:32And in terms of how bright to make it, well, as dim as you can
41:32And in terms of how bright to make it, well, as dim as you can
41:32And in terms of how bright to make it, well, as dim as you can
41:32And in terms of how bright to make it, well, as dim as you can
41:37while still being able to perform the activities that you need to perform.
41:37while still being able to perform the activities that you need to perform.
41:37while still being able to perform the activities that you need to perform.
41:37while still being able to perform the activities that you need to perform.
41:37while still being able to perform the activities that you need to perform.
41:37while still being able to perform the activities that you need to perform.
41:39That's going to be your best guide.
41:39That's going to be your best guide.
41:39That's going to be your best guide.
41:39That's going to be your best guide.
41:39That's going to be your best guide.
41:39That's going to be your best guide.
41:41Today I covered what I would say is a lot of information.
41:41Today I covered what I would say is a lot of information.
41:41Today I covered what I would say is a lot of information.
41:41Today I covered what I would say is a lot of information.
41:41Today I covered what I would say is a lot of information.
41:41Today I covered what I would say is a lot of information.
41:44My goal was to give you an understanding of how light can be used to
41:44My goal was to give you an understanding of how light can be used to
41:44My goal was to give you an understanding of how light can be used to
41:44My goal was to give you an understanding of how light can be used to
41:44My goal was to give you an understanding of how light can be used to
41:44My goal was to give you an understanding of how light can be used to
41:49change the activities of cells, organelles within those cells, entire organs, and how that can
41:49change the activities of cells, organelles within those cells, entire organs, and how that can
41:49change the activities of cells, organelles within those cells, entire organs, and how that can
41:49change the activities of cells, organelles within those cells, entire organs, and how that can
41:49change the activities of cells, organelles within those cells, entire organs, and how that can
41:49change the activities of cells, organelles within those cells, entire organs, and how that can
41:56happen locally and systemically. So thank you once again for joining me today for this
41:56happen locally and systemically. So thank you once again for joining me today for this
41:56happen locally and systemically. So thank you once again for joining me today for this
41:56happen locally and systemically. So thank you once again for joining me today for this
41:56happen locally and systemically. So thank you once again for joining me today for this
41:56happen locally and systemically. So thank you once again for joining me today for this
42:01deep dive discussion into phototherapies, meaning the power of light to modulate our biology and
42:01deep dive discussion into phototherapies, meaning the power of light to modulate our biology and
42:01deep dive discussion into phototherapies, meaning the power of light to modulate our biology and
42:01deep dive discussion into phototherapies, meaning the power of light to modulate our biology and
42:01deep dive discussion into phototherapies, meaning the power of light to modulate our biology and
42:01deep dive discussion into phototherapies, meaning the power of light to modulate our biology and
42:07health. And as always, thank you for your interest in science.
42:07health. And as always, thank you for your interest in science.
42:07health. And as always, thank you for your interest in science.
42:07health. And as always, thank you for your interest in science.
42:07health. And as always, thank you for your interest in science.
42:07health. And as always, thank you for your interest in science.