The Daily Hacks To Improve Sleep, Prevent Disease & Live Longer! | Roger Seheult (Replay)
Dr. Roger Seheult discusses how sunlight, particularly near-infrared radiation, stimulates mitochondrial melatonin production to combat oxidative stress—a more effective mechanism than supplementation alone. He explains how poor diet, obesity, and disrupted circadian rhythms overwhelm the electron transport chain, increasing vulnerability to severe COVID-19 and chronic diseases, while a plant-based diet shows measurable health benefits independent of calorie intake.
Summary
Dr. Roger Seheult explains that sunlight provides benefits far beyond vitamin D production. Near-infrared radiation penetrates skin deep into the dermis and stimulates mitochondria to produce melatonin, which functions as a powerful antioxidant (more potent than vitamin E) that mops up dangerous reactive oxygen species (hydroxyl radicals) produced during cellular energy generation. This is analogous to a car's cooling system preventing engine seizure. The mitochondria generate ATP energy through the electron transport chain, but when this system is overwhelmed—particularly by rapid carbohydrate consumption—electrons don't properly attach to oxygen molecules, instead creating superoxide and other reactive oxygen species that damage cellular proteins.
Obesity and high carbohydrate intake create a compounding problem: they both overwhelm the electron transport chain with oxidative stress and simultaneously reduce sunlight penetration due to adipose tissue, limiting melatonin production when it's needed most. During sleep, the pineal gland provides a backup system, secreting melatonin into the bloodstream when external light is absent, but only if the circadian rhythm is properly synchronized.
The circadian rhythm is orchestrated by the suprachiasmatic nucleus (the body's master clock), which coordinates timing of critical processes including hormone secretion (cortisol, melatonin, insulin, leptin, ghrelin), immune function, and metabolic processes. Disruption—such as from nighttime light exposure or misaligned sleep schedules—throws this entire system into dysynchrony, like an orchestra playing at the wrong times. A single all-nighter causes measurable changes in 100 different proteins, affecting both metabolic and immune surveillance functions.
For COVID-19 specifically, the SARS-CoV-2 spike protein binds to ACE2 receptors on endothelial cells (blood vessel linings). ACE2 is an enzyme that converts pro-inflammatory, pro-oxidant angiotensin II into anti-inflammatory, antioxidant angiotensin 1-7. When the virus inactivates ACE2, it eliminates this critical antioxidant conversion, causing massive oxidative stress in endothelial cells. This triggers breakdown of the endothelial barrier, exposing von Willebrand's factor underneath, which causes excessive blood clotting. People with pre-existing oxidative stress from poor diet, obesity, or lack of sunlight have essentially already driven their metabolic "engine" to the edge of overheating, making them far more vulnerable to this additional oxidative stress.
Regarding diet, Seheult explains that plant-based diets show superior health outcomes. The Adventist Health Study 2—which controlled for confounding variables by studying a population that doesn't smoke or drink—found that vegans had lower rates of diabetes and hypertension compared to non-vegetarians, even when calorie intake and BMI were equal. One mechanism involves sialic acids: all non-human mammals naturally produce both Neu5AC and Neu5GC sialic acids on their cell surfaces, but humans lack the functional enzyme to produce Neu5GC. When we eat meat, we consume Neu5GC, which our cells incorporate into their surfaces. The human immune system recognizes Neu5GC as foreign and develops antibodies against it, leading to chronic low-grade inflammation. Studies show a direct correlation between dietary Neu5GC intake and circulating anti-Neu5GC antibodies, with red meat showing stronger associations with atherosclerosis and coronary artery disease than processed meat alone.
About this episode
<p>[Original air date: March 13, 2019]. Tom answers questions from the community.</p><p><br /></p><p>SHOWNOTES:</p><p>How to make a business out of your passion [0:06]</p><p>How to find motivation to do the things you love after work [3:23]</p><p>How to stop comparing yourself to other people [5:39]</p><p>What to do if you’re working in an area that you’re not passionate about (What do you want to be the best in the world at?) [9:11]</p><p>Do you pursue the things your passion or do you do what is more practical? [14:22]</p><p>How to improve your confidence with women [20:02]</p><p>How to create the drive to consistently show up at the gym [25:36]</p><p>How to pull people out of the matrix with music [28:06]</p><p><br /></p><p>PEOPLE MENTIONED</p><p>Kevin Kelly https://bit.ly/2O2tgVE [6:14]</p><p>Childish Gambino [30:39] Jay Z [30:47]</p><p><br /></p><p>FOLLOW TOM:</p><p>Tom’s Instagram: https://www.instagram.com/tombilyeu/</p><p>Tik Tok: https://www.tiktok.com/@tombilyeu?lang=en</p><p>Tom’s Twitter: https://twitter.com/tombilyeu</p><p>YouTube: https://www.youtube.com/@TomBilyeu</p><p>Tom’s Facebook: https://www.facebook.com/tombilyeu/</p><p><br /></p><p>SPONSORS:</p><p>Get 5 free AG1 Travel Packs and a FREE 1 year supply of Vitamin D with your first purchase at <a href="https://bit.ly/AG1Impact" target="_blank">https://bit.ly/AG1Impact</a>.</p><p>Right now, Kajabi is offering a 30-day free trial to start your own business if you go to <a href="https://bit.ly/Kajabi-Impact" target="_blank">https://bit.ly/Kajabi-Impact</a>.</p><p>Head to <a href="http://www.insidetracker.com/" target="_blank">www.insidetracker.com</a> and use code “IMPACTTHEORY” to get 20% off!</p><p>Learn a new language and get 55% off at <a href="https://bit.ly/BabbelImpact" target="_blank">https://bit.ly/BabbelImpact</a>.</p><p>Try NordVPN risk-free with a 30-day money-back guarantee by going to <a href="https://bit.ly/NordVPNImpact" target="_blank">https://bit.ly/NordVPNImpact</a></p><p>Give online therapy a try at <a href="https://bit.ly/BetterhelpImpact" target="_blank">https://bit.ly/BetterhelpImpact</a> and get on your way to being your best self.</p><p>Go to <a href="https://bit.ly/PlungeImpact" target="_blank">https://bit.ly/PlungeImpact</a> and use code IMPACT to get $150 off your incredible cold plunge tub today.</p><p><br /></p><p><strong><em>***Are You Ready for EXTRA Impact?***</em></strong></p><p>If you’re ready to find true fulfillment, strengthen your focus, and ignite your true potential, the Impact Theory subscription was created just for you.</p><p>Want to transform your health, sharpen your mindset, improve your relationship, or conquer the business world? 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Key Insights
- Melatonin is produced in mitochondria at orders of magnitude higher concentrations than in the pineal gland, and near-infrared radiation from sunlight specifically stimulates this mitochondrial production to function as an intracellular antioxidant system.
- The electron transport chain becomes overwhelmed when carbohydrates are consumed too rapidly, causing electrons to attach to oxygen molecules in incomplete numbers (one, two, or three instead of four), generating dangerous reactive oxygen species rather than harmless water.
- A single night of sleep deprivation causes measurable changes in 100 different proteins, affecting processes involved in insulin-glucose metabolism, cancer surveillance, and immune function.
- SARS-CoV-2 inactivates the ACE2 enzyme, which normally converts pro-inflammatory angiotensin II into anti-inflammatory angiotensin 1-7, thereby eliminating the cell's antioxidant defense system at a critical moment.
- COVID-19 severity correlates with latitude even after removing populations that could obtain sufficient vitamin D from winter sunlight, suggesting near-infrared radiation's role in oxidative stress mitigation is independent of vitamin D production.
- The human body lacks a functional enzyme to produce Neu5GC sialic acids, but incorporates dietary Neu5GC from animal products into cell surfaces, where the immune system recognizes it as foreign and generates antibodies against it.
- Plant-based diets show measurable health advantages over meat-containing diets independent of calorie intake or BMI, suggesting mechanisms beyond simple caloric or weight differences.
- Light exposure operates through two distinct mechanisms: visible light entering the eyes affects mood and circadian rhythm through the perihabenular nucleus, while near-infrared radiation penetrating the skin triggers mitochondrial processes.
Topics
Transcript
You took calories out of it, you took BMI out of it, that calorie for calorie, BMI for BMI, there was less risk for diabetes, less risk for hypertension in the vegan group compared to the non-vegetarian group. Dr. Roger Schwelt, welcome to the show. Thanks, Tom. It, welcome to the show. Thanks, Tom. It's great to be here. I knew that vitamin D was important, and people ask me if I supplement, and admittedly I do if I'm not getting direct sunlight, but I've always had a suspicion that there's more going on than the isolated vitamin D. I was just like, ah, sunlight probably hitting your skin is better than supplementing. So I tried not to supplement, but…
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