Episode #2516
Rowan Jacobsen
Books mentioned
Timestamps are segment start times from the podscripts.co transcript of the audio release (includes ad reads), so they may differ from the video by a few minutes.
Rowan Jacobsen, an award-winning science writer, discusses the nuanced health effects of sun exposure, including vitamin D, skin cancer risks, and melanin. He critiques dermatologists for ignoring non-skin-cancer benefits of sunlight and examines topics like melanotan, sunscreen regulation, and red light therapy.
What they talked about
- Sun exposure benefits vs. skin cancer risks
- Vitamin D supplementation vs. natural sun-derived D
- Melanoma link to sunburns, not moderate exposure
- Sunscreen chemicals and endocrine disruption
- Melanotan peptides and melanin production
- Red light therapy and mitochondrial function
- Cacao origins and heirloom chocolate
- Context-dependent health effects of alcohol and cigarettes
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