Andrew Huberman· PhD
Yeah, so, we normally start with about 15 minutes of exposure. Now, if someone's really lacking acclimation to heat, you can do that in three, five minute efforts.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
Yeah, so, we normally start with about 15 minutes of exposure. Now, if someone's really lacking acclimation to heat, you can do that in three, five minute efforts.
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Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
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Take hot hot hot sauna. >> Yeah. Hot sauna. Take time to step out. >> 200 degrees or something, correct? Fahrenheit. >> Yeah. 200 Fahrenheit. Yes.
Um, and we we we try to work up to 30 to 40 minutes to 45 minutes in the sauna continuous.
4–7 sauna sessions per week, 20 minutes at 80°C+, reduce cardiovascular mortality risk by 40% over a decade.
Regular sauna use raises BDNF and improves verbal memory in older adults.
Sauna protocols only generate the longevity effect when sessions exceed 30 minutes.
Hot-tub bathing yields cardiovascular benefits comparable to traditional Finnish sauna at matched core-temp dose.