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Sunlight, Circadian Rhythm, Melatonin and Infrared Light

MedCram - Medical Lectures Explained CLEARLY · Lecture · YouTube title: Sunlight: Optimize Health and Immunity (Light Therapy and Melatonin)
Why it's here

HN cites it as an accessible physician-led review supporting claims about infrared light, mitochondria and morning sun.

What it covers

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.