Dr. Roger Seheult: Board-certified physician in internal medicine, pulmonology, critical care and sleep medicine who works across three hospitals and co-founded the medical education channel MedCram. He treats critically ill ICU patients and breaks down complex science into accessible health advice.
What this episode covers
Dr. Seheult lays out his 'NEWSTART' framework of eight health pillars (Nutrition, Exercise, Water, Sunlight, Temperance, Air, Rest, Trust) and spends most of the episode making the case that sunlight is the lowest-hanging fruit. He argues that infrared light from the sun penetrates deep into the body and upregulates intracellular melatonin, which protects mitochondria from oxidative stress, the root of diseases like dementia, diabetes and heart disease. He contends vitamin D was mostly a marker for sun exposure rather than the active ingredient, citing COVID, hospital, and population studies. The conversation also covers sauna and cold therapy for immune function, the dangers of bright nights and dark days, circadian rhythm, the immune benefits of forests and fresh air, and the role of faith and forgiveness in health. It closes with his theory that the structure of the biblical temple mirrors the structure of the human cell.
Recommended on this episode
Vitamin D supplement
(generic)
“I supplement with vitamin D. I think it's there's a benefit to supplementing with vitamin D, no question.”— Dr. Roger Seheult
Melatonin supplement
(generic)
“if you're having difficulty falling asleep, a little tiny dose of melatonin, no more than 5 mg, can be actually very beneficial.”— Dr. Roger Seheult
Also referenced (named, not recommended)
SAD light (seasonal affective disorder lamp)
(generic)
“you can pick these up pretty cheaply on Amazon for about 20 bucks. But they should generally be about 11 to 16 in from your face.”— Dr. Roger Seheult
Raiders of the Lost Ark
Steven Spielberg
“You've seen Indiana Jones, right? And and the first Raiders of the Lost Ark, there's this ark and you open it up”— Dr. Roger Seheult
The Bible
(various)
“This book, the Bible. Uh which is my uh which is my tradition. Evidence for science in the Bible.”— Dr. Roger Seheult
Big reveals from this episode
- A 15-year-old boy two days from death with a flesh-eating lung infection recovered after being taken outside into sunlight, with 60-70% of the disease gone after a CT scan.
- Seheult reveals that giving COVID patients vitamin D tablets in the hospital 'didn't really do much,' leading him to conclude vitamin D was a marker for sun exposure, not the cause of better outcomes.
- A Brazil study using infrared-light jackets on COVID patients cut average hospital stay from 12 days to 8 days, with every endpoint statistically significant.
- A Swedish study found women who avoided the sun had the same mortality risk as women who smoked.
- His own COVID patient on 35L of oxygen, taken outside for 7 days, was weaned off oxygen and discharged in 5 days.
- Seheult says he has watched patients consciously choose death over artificial intervention, and respects that choice.
- He describes witnessing a 'miracle': a 22-year-old with severe anoxic brain injury, declared unrecoverable, who walked out of the hospital months later.
- His contrarian closing theory: the structure of the biblical temple (altar, laver, veiled inner room with DNA-like tablets) mirrors the human cell's structure, unknown to ancient writers.
Worth remembering
- In two-bed hospital rooms, the patient nearer the window gets discharged faster on average.
- Mitochondrial energy output drops by about 70% as we age.
- Infrared light from the sun can penetrate roughly 8 cm into the body and interacts directly with mitochondria.
- Red light therapy switches on a mitochondrial effect after about 15 minutes; more exposure adds nothing.
- Americans spend about 93% of their time indoors and Brits about 92%.
- In Louisville's GreenHeart study, planting 8,000 mature trees dropped residents' inflammation marker (hs-CRP) 13-20%, correlating with a 10-15% drop in strokes, without lifestyle changes.
- Roughly 1 billion people globally are vitamin D deficient and about 50% have insufficient levels.
- Body temperature rising from 37C to 38C triggers a surge in interferon, the immune system's key antiviral defense.
- Trees emit aromatic compounds called phytoncides that boost natural killer cell activity, with benefits lasting about 7 days after one visit.
- People who believe God has forgiven them are 2.5x more likely to forgive others unconditionally, which is linked to less depression and anxiety.