Sunlight: Optimize Health and Immunity (Light Therapy and Melatonin)

Sunlight provides so much more than just Vitamin D: learn from Dr. Seheult of about the myriad of benefits from optimizing our exposure to light. Roger Seheult, MD is the co-founder and lead professor at He is Board Certified in Internal Medicine, Pulmonary Disease, Critical Care, and Sleep Medicine and an Associate Professor at the University of California, Riverside School of Medicine. This video was recorded on January 21, 2022 HIGHLIGHTS / TIMESTAMPS: 0:00 Intro 6:50 The solar spectrum 13:00 Circadian rhythm highlights and chart 15:15 What is regulated by circadian rhythm 16:30 Circadian dysregulation 22:30 Circadian master clock 26:41 Blue blockers 29:15 Light & mood regulation & seasonal affective disorder 31:14 Dawn simulation light and light therapy box demo 35:45 Light & cortisol 38:15 Melatonin from the pineal gland 42:00 Morning dos and don’ts 44:00 Evening dos and don’ts