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A GROUNDBREAKING study found sunlight PASSES THROUGH the human body, RAPIDLY boosting mitochondrial function and improving vision. Just 15 minutes of infrared sunlight exposure improved blue-yellow vision by 16% and red-green vision by 9% within 24 hours. Get sun.

Nicolas Hulscher, MPH

295,542 subscribers

199,889 views • 2 months ago •via X (Twitter)

Science & Technology Health & Wellness

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35 Comments

Nicolas Hulscher, MPH2 months ago

Daily exposure to natural sunlight, even through clothing, appears to be a simple yet powerful tool to support mitochondrial health and optimize vision:

Zombo2 months ago

Stop using sun screen! That's what causes skin cancer, not the sun.

Brian2 months ago

I can't speak for others but my experience confirms this: during this part of the year in the NE, I spend lots of time in the sun wearing only as much clothing as demanded by social decorum (but with NONE of that SPF shit, which is loaded with isobutanes, benzene, and other toxic garbage). And every year I easily read the 20/20 line on the optometrist's chart.

Amelie2 months ago

It’s one reason the sun is constantly blocked across the globe.

Shell Clem2 months ago

EXACTLY why military and Gates are spraying chemicals to BLOCK THE SUN. ITS VITAL for HUMAN and ANIMAL CONSUMPTION.

ura 💚 soul2 months ago

Dr. John Ott covered this 60 years ago

sashalatypova.substack.com "Due Diligence and Art"2 months ago

Infrared wavelength is present 24 hrs a day, it's not dependent on the sunlight per se.

Shaine Mata2 months ago

This sounds a bit Kryptonian.

Jackson2 months ago

If you sunbathe for a few minutes you can literally see a difference in how you perceive color. This isn't some new idea we've known the sun is good for the health since before we could write as a species.

Parnell Galant. 🇺🇸2 months ago

When I drive, I keep the sunroof and windows open more than most people who live in Florida hardly use the AC, just for this reason.

Fauxlanthropist2 months ago

In 2019, I had to get bifocals, being both near and farsighted. In 2023, I began walking outside twice daily. By my 2024 vision exam, the nearsightedness had completely disappeared. I only now require readers because I work in front of a computer all day.

Elizabeth Chalker2 months ago

More outside time in the nature that God created. It’s healing.

ALYSIA⭐️NES2 months ago

Sunshine is soooo good for us☀️😃☀️

AusSnap2 months ago

The first 20 minutes of the morning sun rising is very good for you as is the last 20 minutes of the day sun setting. 💯🙏

Elite Light2 months ago

That's cool! You mean Nature actually knows what it is doing? We've come so far!

Cheryl2 months ago

Yes, but until “they” unblock our full spectrum sunlight, it’s lost. Everyone, look at the light! It’s blue, not warm buttery Feel it, it’s burning hot I can’t be the only one !!

Joshua Richards2 months ago

@grok we all already knew sunlight is good for you. Is this post new information somehow?

PatrioticMimi2 months ago

@Elizea80720383 No sunglasses!!!!

Chad Robertson2 months ago

Good post. @DrJackKruse been preaching about how the sun is our foundation for health. Get your skin in the game

Paul Villella2 months ago

Sunlight also disinfects. Light penitraits surface capalaries, a seven minute exposure is enough to expose the total volume of blood in your bodies circulation. Along with Vit D

upforthefight2 months ago

@Lulabella0 Now you know why they block our sun. Because its good for us. 💉💉, lab grown folic acid, flouride expansion, bovear, apeel, farmed fish 💉 baths, chemicals from ✈️ spraying, lab grown chocolate, meat, milk etc because they're bad for us. Easy to connect. De pop u la tion.

ArkLight2 months ago

Yes. We are children of the Sun & Earth.

Star stuff2 months ago

Out an about in the sun, earlier in the day and later for less intense sun exposure. 🌞😊

Shelley Reynolds 🚲 🌵🇺🇸🍏2 months ago

15 minutes of Phoenix AZ sun when it was 115° isn't going to happen for this blue eyed gal! I'll have to wait til fall to do that. In the meantime keep taking D3.

Jennifer Campbell2 months ago

That was the old sun's rules. The sun now is sick and not what it used to be, nor is the Earth's magnetosphere. Deadly radiation coming in at extreme levels. Do some research before you post

Kellyhomes Eighteen2 months ago

So when one eats a green leafy salad, the green chlorophyll is still photosynthesising inside our tummies!!

BentCrypto2 months ago

What's even more remarkable, is closing your eyes and looking at the sun through your closed eye lids. Do it for a minute and your eyes adjust.

sassia2 months ago

That is precisely the reason why Gates is doing this. A madman with an obsessive fixation on population reduction.

Savage Pat2 months ago

Is that why yall covered it up with a fuckin sun simulator fuck out of here

Fiona2 months ago

Ancient technique is to watch the sun rise to improve your eye sight. It’s called sun gazing. Thank you for your information channel.

Rick Knight2 months ago

One of the reasons they are polluting our skies STILL even though we have pointed out the filth they are dropping on us!

BrainHeal(th)2 months ago

Sunlight helps Lyme.

Jason Yun2 months ago

This has been known for decades. We are creatures of light water and magnetism.

Madeleine Love2 months ago

So I suppose it can get through our clothes?

PureLove2 months ago

Thank you for sharing.

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𝗜 𝗪𝗔𝗦 𝗦𝗞𝗘𝗣𝗧𝗜𝗖𝗔𝗟 𝗔𝗕𝗢𝗨𝗧 𝗧𝗛𝗜𝗦 𝗧𝗢𝗢 — 𝗦𝗢 𝗜 𝗗𝗜𝗗 𝗧𝗛𝗘 𝗥𝗘𝗦𝗘𝗔𝗥𝗖𝗛. 𝗧𝗛𝗘 𝗦𝗖𝗜𝗘𝗡𝗖𝗘 𝗜𝗦 𝗥𝗘𝗔𝗟. Andrew Huberman recently told Bill Maher something that sounds wild — that the long-wavelength red and infrared light present in sunlight and old incandescent bulbs actually passes through your body, charges your mitochondria, improves your vision, and helps regulate blood sugar. And that the short-wavelength-dominant LED lights now in most of our homes may be quietly undermining mitochondrial function. His words: 𝘛𝘩𝘪𝘴 𝘶𝘴𝘦𝘥 𝘵𝘰 𝘣𝘦 𝘤𝘰𝘯𝘴𝘪𝘥𝘦𝘳𝘦𝘥 𝘤𝘳𝘢𝘻𝘺. 𝘛𝘩𝘪𝘴 𝘸𝘢𝘴 𝘭𝘪𝘬𝘦 𝘤𝘩𝘦𝘮𝘵𝘳𝘢𝘪𝘭 𝘤𝘳𝘢𝘻𝘺. I was skeptical too. So I looked it up. 𝗧𝗵𝗲 𝘀𝗰𝗶𝗲𝗻𝗰𝗲 𝗯𝗮𝗰𝗸𝗶𝗻𝗴 𝘁𝗵𝗶𝘀 𝗶𝘀 𝗿𝗲𝗮𝗹 𝗮𝗻𝗱 𝗽𝗲𝗲𝗿-𝗿𝗲𝘃𝗶𝗲𝘄𝗲𝗱. Professor Glen Jeffery at University College London — one of the researchers Huberman specifically names — published a study in 𝘚𝘤𝘪𝘦𝘯𝘵𝘪𝘧𝘪𝘤 𝘙𝘦𝘱𝘰𝘳𝘵𝘴 in July 2025 confirming that infrared wavelengths from sunlight measurably pass through the human torso, even through clothing, and that just 15 minutes of exposure improved color vision by 16% (blue axis) and 9% (red axis) in participants — measured 24 hours later, even when light was blocked from their eyes during exposure. A separate study from the same lab showed that red light exposure reduced post-meal blood glucose spikes by 27%. These aren't fringe blogs. This is University College London published in Nature's Scientific Reports. The mechanism Huberman describes checks out. Your mitochondria contain water that absorbs long-wavelength red and infrared light — the same reason reds disappear when you go underwater. That absorption drives better ATP production, the energy currency of your cells. The retina has more mitochondria per cell than almost any other tissue in the body, which is why vision improvements show up as such a clean measurable signal. 𝗡𝗼𝘄 𝗳𝗼𝗿 𝘁𝗵𝗲 𝗽𝗼𝗹𝗶𝘁𝗶𝗰𝗮𝗹 𝗽𝗶𝗲𝗰𝗲. The Biden administration's energy efficiency regulations effectively phased out most incandescent bulbs. The stated reason was energy savings. What was never part of the regulatory conversation — at all — was the growing scientific literature suggesting that the near-infrared wavelengths stripped out of LED lighting may have real biological consequences. Whether that was ignorance or indifference, the result is the same: Americans were nudged by government policy into lighting that the emerging science suggests is metabolically inferior. 𝗦𝗼 𝘄𝗵𝗮𝘁 𝗱𝗼 𝘆𝗼𝘂 𝗮𝗰𝘁𝘂𝗮𝗹𝗹𝘆 𝗱𝗼 𝗮𝗯𝗼𝘂𝘁 𝗶𝘁? Huberman himself is practical about this — he has LEDs at home and isn't panicking. Here's what the science actually points to: The primary solution is sunlight. Outdoors sunlight delivers near-infrared at levels no bulb can match. Even 15 minutes outside — clothed — appears sufficient to trigger measurable effects. If you work near a window, that helps too. For indoor lighting, not all LEDs are equal. Look for "full spectrum" or "broad spectrum" LED bulbs that include wavelengths in the 600–900 nm range. "Warm white" LEDs (2700–3000K color temperature) are closer to incandescent output and include more red-spectrum light than the cool blue-dominant bulbs. They're not a perfect substitute for sunlight, but they're meaningfully better than standard cool-white LEDs for this purpose. 𝗧𝗵𝗲 𝘁𝗮𝗸𝗲𝗮𝘄𝗮𝘆 𝗶𝘀 𝗻𝗼𝘁 𝗰𝗼𝗺𝗽𝗹𝗶𝗰𝗮𝘁𝗲𝗱: get outside every day. Eat near a window. If you're replacing bulbs, choose warm-spectrum LEDs. And maybe ask why a government that claims to care about public health never thought to ask what stripping infrared out of every American home might do to the people living in them.

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14,311 views • 9 months ago

Joe Rogan just casually mentioned ditching his reading glasses entirely — and credits red light therapy as the biggest reason. He used to need them to read his phone. Now? Nothing. He says a red light bed made a “giant difference,” even more than the macular support vitamins he takes. Here’s the wild part: science actually backs this up. A University College London study found that just three minutes of deep red (670nm) light in the morning improved color contrast vision by an average of 17% in people over 40 — with some seeing up to 20% better — and the gains lasted a full week. Other research shows photobiomodulation helps mitochondrial function in retinal cells, which naturally decline with age and screen use. Our eyes are getting wrecked by blue light and aging. If something this simple and low-risk can push back against that, it’s a pretty big deal for staying sharp as we get older. I’ve been pretty skeptical of most biohacking gadgets, but this one feels surprisingly solid and easy to try. Might be adding a red light panel to the routine soon. Has anyone here tried red light therapy for vision? Did it actually work for you?

Joe Rogan just casually mentioned ditching his reading glasses entirely — and credits red light therapy as the biggest reason. He used to need them to read his phone. Now? Nothing. He says a red light bed made a “giant difference,” even more than the macular support vitamins he takes. Here’s the wild part: science actually backs this up. A University College London study found that just three minutes of deep red (670nm) light in the morning improved color contrast vision by an average of 17% in people over 40 — with some seeing up to 20% better — and the gains lasted a full week. Other research shows photobiomodulation helps mitochondrial function in retinal cells, which naturally decline with age and screen use. Our eyes are getting wrecked by blue light and aging. If something this simple and low-risk can push back against that, it’s a pretty big deal for staying sharp as we get older. I’ve been pretty skeptical of most biohacking gadgets, but this one feels surprisingly solid and easy to try. Might be adding a red light panel to the routine soon. Has anyone here tried red light therapy for vision? Did it actually work for you?

Camus

118,707 views • 4 months ago

Joe Rogan shocks sunlight expert Rowan Jacobsen after revealing red light therapy completely reversed his vision loss: ROGAN: “Red light therapy took away all the problems I was having with my eyesight. They say to wear goggles, but I just keep my eyes open.” JACOBSEN: “Wow. Light medicine is going to be extremely important in the next 10-20 years.” ROGAN: “Gary Brecka explained red light therapy to me, so I bought one of these expensive full body red light beds.” JACOBSEN: “And that actually improved your vision?” ROGAN: “It didn’t just stop the degeneration, but it actually reversed it. I used to need 3X reading glasses just to read my phone. Within about a month, my vision started improving. Two years later, I don’t need reading glasses at all.” JACOBSEN: “There’s real research showing red light improves mitochondrial function. The eyes use more energy than almost any other cells in the human body.” ROGAN: “Why are dermatologists ignoring evidence that different forms of light can heal the human body?” JACOBSEN: “They’ve really only avoided me. I don’t think they’re ready for this type of research.” ROGAN: “There’s already a tremendous amount of data. I don’t understand how someone can call themselves an expert on skin and ignore light therapy.” JACOBSEN: “They 100% should be experts on all this.” ROGAN: “There’s not a lot of scientists so they need to start doing their job. We can’t just rely on old data. They’re doing the whole field a disservice.”

Joe Rogan shocks sunlight expert Rowan Jacobsen after revealing red light therapy completely reversed his vision loss: ROGAN: “Red light therapy took away all the problems I was having with my eyesight. They say to wear goggles, but I just keep my eyes open.” JACOBSEN: “Wow. Light medicine is going to be extremely important in the next 10-20 years.” ROGAN: “Gary Brecka explained red light therapy to me, so I bought one of these expensive full body red light beds.” JACOBSEN: “And that actually improved your vision?” ROGAN: “It didn’t just stop the degeneration, but it actually reversed it. I used to need 3X reading glasses just to read my phone. Within about a month, my vision started improving. Two years later, I don’t need reading glasses at all.” JACOBSEN: “There’s real research showing red light improves mitochondrial function. The eyes use more energy than almost any other cells in the human body.” ROGAN: “Why are dermatologists ignoring evidence that different forms of light can heal the human body?” JACOBSEN: “They’ve really only avoided me. I don’t think they’re ready for this type of research.” ROGAN: “There’s already a tremendous amount of data. I don’t understand how someone can call themselves an expert on skin and ignore light therapy.” JACOBSEN: “They 100% should be experts on all this.” ROGAN: “There’s not a lot of scientists so they need to start doing their job. We can’t just rely on old data. They’re doing the whole field a disservice.”

Fan Commentary: Joe Rogan Recaps

286,056 views • 3 months ago

A SINGLE 3g dose of beetroot improved MULTIPLE measures of cognitive function in just 90 minutes. The double-blind, randomized, placebo-controlled trial found: IMMEDIATE MEMORY: +20.7% DELAYED MEMORY: +12.3% COGNITIVE FLEXIBILITY: +11.2% FRONTAL-LOBE FUNCTION: +2.6% This is likely explained by beetroot extract rapidly increasing nitric oxide and cerebral blood flow.

A SINGLE 3g dose of beetroot improved MULTIPLE measures of cognitive function in just 90 minutes. The double-blind, randomized, placebo-controlled trial found: IMMEDIATE MEMORY: +20.7% DELAYED MEMORY: +12.3% COGNITIVE FLEXIBILITY: +11.2% FRONTAL-LOBE FUNCTION: +2.6% This is likely explained by beetroot extract rapidly increasing nitric oxide and cerebral blood flow.

Nicolas Hulscher, MPH

60,555 views • 18 days ago

Doctors and police found at least 16 children had been poisoned by cough and cold syrups made by an Indian manufacturer, Digital Vision Pharma. The syrup contained a 34% concentration of the toxin diethylene glycol, usually used in car brake fluid

Doctors and police found at least 16 children had been poisoned by cough and cold syrups made by an Indian manufacturer, Digital Vision Pharma. The syrup contained a 34% concentration of the toxin diethylene glycol, usually used in car brake fluid

Reuters

64,138 views • 3 years ago

Glen Jeffery studies red & infrared light at UCL. Here's what he has on his desk: Two 100W incandescent bulbs on a dimmer switch. When asked what people should do to get more red & infrared: "I go back to the same point every time. Sunlight. Go out in sunlight." Even if it's cloudy — there's loads of infrared light. It bounces around more because it gets bounced around by water in the atmosphere. Trees reflect it too — that's why leaves feel cool on a hot day even in direct sun. And if you're spending long hours indoors: "Spend £10 on Amazon. Buy a dimmer switch and a 100W incandescent light bulb. Run it at quarter power. It'll last forever. It'll give you vast amounts of infrared light. And it will counteract the negative side you get from your blue LEDs. It works. We've done it." When the leading researcher studying red & infrared light professionally uses 100W incandescents at his desk not a panel — that tells you something. Nature is always the first option. A 100W incandescent on a dimmer is the second.

Glen Jeffery studies red & infrared light at UCL. Here's what he has on his desk: Two 100W incandescent bulbs on a dimmer switch. When asked what people should do to get more red & infrared: "I go back to the same point every time. Sunlight. Go out in sunlight." Even if it's cloudy — there's loads of infrared light. It bounces around more because it gets bounced around by water in the atmosphere. Trees reflect it too — that's why leaves feel cool on a hot day even in direct sun. And if you're spending long hours indoors: "Spend £10 on Amazon. Buy a dimmer switch and a 100W incandescent light bulb. Run it at quarter power. It'll last forever. It'll give you vast amounts of infrared light. And it will counteract the negative side you get from your blue LEDs. It works. We've done it." When the leading researcher studying red & infrared light professionally uses 100W incandescents at his desk not a panel — that tells you something. Nature is always the first option. A 100W incandescent on a dimmer is the second.

no.mind

21,499 views • 5 months ago

EVERY FAMILY NEEDS A VISION One of the greatest causes of confusion in many homes is the absence of a clearly defined vision. Just as organizations thrive because they know where they are going, families also need a sense of purpose and direction. A home should not merely exist; it should be driven by a vision that is understood, embraced, and pursued by every member. A family vision answers important questions, such as: Where are we going? or Why do we exist? What are we building? When vision is absent, every member of the family begins to create their own agenda. This often leads to confusion, conflict, competing priorities, and unnecessary tension within the home. Vision creates alignment. It gives purpose to daily decisions, establishes a standard for accountability, and provides a framework for teaching and mentoring the next generation. A father’s responsibility is not only to provide for his family but also to define and communicate the vision that guides the family toward God’s purpose. Watch the full sermon titled “Re-defining Fatherhood (Restoring Biblical Fatherhood)” on the Koinonia Global YouTube channel. #ApostleJoshuaSelman #RedefiningFatherhood #RestoringBiblicalFatherhood #KoinoniaAbuja #KoinoniaGlobal

EVERY FAMILY NEEDS A VISION One of the greatest causes of confusion in many homes is the absence of a clearly defined vision. Just as organizations thrive because they know where they are going, families also need a sense of purpose and direction. A home should not merely exist; it should be driven by a vision that is understood, embraced, and pursued by every member. A family vision answers important questions, such as: Where are we going? or Why do we exist? What are we building? When vision is absent, every member of the family begins to create their own agenda. This often leads to confusion, conflict, competing priorities, and unnecessary tension within the home. Vision creates alignment. It gives purpose to daily decisions, establishes a standard for accountability, and provides a framework for teaching and mentoring the next generation. A father’s responsibility is not only to provide for his family but also to define and communicate the vision that guides the family toward God’s purpose. Watch the full sermon titled “Re-defining Fatherhood (Restoring Biblical Fatherhood)” on the Koinonia Global YouTube channel. #ApostleJoshuaSelman #RedefiningFatherhood #RestoringBiblicalFatherhood #KoinoniaAbuja #KoinoniaGlobal

Koinonia Global

10,797 views • 3 months ago

People living near trees and grass have lower rates of diabetes, hypertension, and overall mortality — just from being close to green spaces. Dr. Roger Seheult explains the hidden mechanism: On a sunny day, anything with chlorophyll (leaves, grass, trees) massively reflects infrared light — 2 to 4 times more than concrete or non-green areas. You can see this in infrared photography: trees and grass appear bright white, almost glowing, because they bounce back near-infrared wavelengths. Reflected near-infrared penetrates skin deeply and triggers beneficial effects like nitric oxide release, improved mitochondrial function, and reduced inflammation — contributing to the well-documented health benefits of green-space exposure (supported by decades of epidemiological data and photobiomodulation research). The coolest (literally) spot on a hot summer day? Under a tree. Step outside today. Find green. Feel the difference. Do you notice better energy, mood, or calm when surrounded by trees vs. concrete? What's your favorite green escape? 53-sec clip — simple science that makes you want to go outside right now.

People living near trees and grass have lower rates of diabetes, hypertension, and overall mortality — just from being close to green spaces. Dr. Roger Seheult explains the hidden mechanism: On a sunny day, anything with chlorophyll (leaves, grass, trees) massively reflects infrared light — 2 to 4 times more than concrete or non-green areas. You can see this in infrared photography: trees and grass appear bright white, almost glowing, because they bounce back near-infrared wavelengths. Reflected near-infrared penetrates skin deeply and triggers beneficial effects like nitric oxide release, improved mitochondrial function, and reduced inflammation — contributing to the well-documented health benefits of green-space exposure (supported by decades of epidemiological data and photobiomodulation research). The coolest (literally) spot on a hot summer day? Under a tree. Step outside today. Find green. Feel the difference. Do you notice better energy, mood, or calm when surrounded by trees vs. concrete? What's your favorite green escape? 53-sec clip — simple science that makes you want to go outside right now.

Camus

15,681 views • 7 months ago