HackerTube / Video
Sunlight: Optimize Health and Immunity (Light Therapy and Melatonin)
MedCram - Medical Lectures Explained CLEARLY
Dr. Roger Seheult of MedCram reviews the benefits of sunlight beyond vitamin D, covering the solar spectrum, circadian rhythm, melatonin and infrared light. The lecture runs nearly two hours with timestamps.
HN cites it as an accessible physician-led review supporting claims about infrared light, mitochondria and morning sun.
11 Hacker News mentions · 2022–2024