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Joe Rogan Experience #2516 - Rowan Jacobsen

2026-06-18 People & Blogs
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Description

Rowan Jacobsen is an award-winning science and nature writer. His new book, “In Defense of Sunlight: The Surprising Science of Sun Exposure,” is available now. https://www.simonandschuster.com/books/In-Defense-of-Sunlight/Rowan-Jacobsen/9781668092163 https://www.rowanjacobsen.com Perplexity: Download the app or ask Perplexity anything at https://pplx.ai/rogan. Visit https://ketone.com/Rogan for 30% OFF, or find Ketone-IQ at Target nationwide. Go to https://paleovalley.com/rogan for 20% off

Top Comments (10)

@fannafannafanna 2026-06-18

The dawgs got him first.

398 31 replies
@eeyagone1 2026-06-18

Bloke looks like old mate from the pub that does roofing

207 24 replies
@shinobi7184 2026-06-18

Forgot to mention how getting sun to the butthole first thing in the morning gives you superpowers

144 26 replies
@jjw9641 2026-06-18

I knew someone who basically was reckless with sun exposure, and when challenged, he'd say, "I don't have long in the sun. The grave will supply time for dark and cold."

104 20 replies
@mendthedivide 2026-06-18

0:00 - Intro / Rowan's initial assumptions about sun exposure and what changed his mind 2:44 - How sunlight extends lifespan / the complexity of skin cancer risk 4:55 - How vitamin D was discovered / rickets and the industrial revolution 7:49 - The heliootherapy era — 1920s-40s when everyone thought sun cured everything 8:36 - Skin type and melanoma risk / burning vs. chronic exposure 10:00 - Melanotan peptide discussion / artificial tanning and its risks 20:55 - Bob Marley's skin cancer / melanoma from burning vs. chronic exposure 22:29 - The trucker with one-aged side / UVA vs. UVB and window glass 26:33 - Pushback from dermatologists / AAD denouncing the research 27:30 - Vitamin D supplements not working the same as sun-derived D 29:00 - Vitamin D taken with K2 and magnesium — synergistic effects 37:51 - Coffee and its surprisingly strong health benefits 40:45 - Red light therapy and Joe's reversal of macular degeneration 44:00 - Why dermatologists resist looking at the broader data / science silos 46:50 - Grant funding and how it reinforces existing beliefs 53:14 - Sunscreen ingredients — UVA/UVB, old vs. new formulas, absorption into blood 1:02:26 - Coral reefs and sunscreen / Hawaii banning certain sunscreens 1:05:40 - Skin as an organ / hand sanitizer and skin microbiome 1:10:44 - How Rowan first got attacked / "Is Sunscreen the New Margarine" article 1:13:54 - Skin color as adaptation to environment / recommendations for dark-skinned people 1:15:28 - Australian skin cancer rates / ozone hole and population mismatc 1:18:10 - Vitamin D deficiency in dark-skinned people living in northern cities 1:22:01 - How melanin works / why it needs to migrate to the skin surface 1:24:28 - What pale-skinned people should do / gingers have no hope 1:26:11 - Sun exposure vs. antidepressants / exercise as number one 1:35:42 - Other things experts got wrong — dietary fat and the margarine era 1:41:47 - Alcohol in moderation / Mediterranean lifestyle 1:44:58 - Mediterranean diet, Italian food vs. American food / additives and glyphosate 1:47:22 - Wild cacao in the Amazon / Rowan's crazy journalism trip to Bolivia 1:53:21 - Cacao ceremonies / benefits of cacao 1:55:36 - Oysters — health benefits, aphrodisiac effect, food poisoning risk 1:59:38 - Wrap-up / "In Defense of Sunlight" book

84 4 replies
@Jdcakamatsu9 2026-06-18

Listening to this inside my dark coffin after a long night of drinking blood under a full moon.

60 3 replies
@babyhands9287 2026-06-18

Stopped sunning my gooch to watch this.

41 2 replies
@rawfoodwriter 2026-06-18

Jamie, pull up that picture of a bear eating sunscreen

30 1 replies
@Ismael-Ugartechea 2026-06-18

1 hr of sunlight is enough thanks Matt mccusker

24 2 replies
@dacrd 2026-06-18

I hope you are living your best Life

14

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