Andrew Huberman· PhD
So you can use a very brief exposure to cold or to heat in order to stimulate heat shock proteins, growth hormone, et cetera, or you can use longer exposure in less intense versions of heat and cold.
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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.
So you can use a very brief exposure to cold or to heat in order to stimulate heat shock proteins, growth hormone, et cetera, or you can use longer exposure in less intense versions of heat and cold.
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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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