Dr. Russel Reiter, a melatonin research expert and user, discusses melatonin's impact on aging, light pollution effects, using melatonin for jet lag and menopause, finding optimal doses, and more. They cover myths, circadian rhythms, antioxidants, ecosystem disruption, becoming multi-planetary, energy levels, gut health, nightmares, epilepsy, fertility, and melatonin's potential benefits and challenges.