Andrew Huberman· PhD
hair graying at least temporarily is reversible. And this was surprising because it goes against this notion that aging is a linear you know uh process that just happens over time no matter what you do.
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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.
hair graying at least temporarily is reversible. And this was surprising because it goes against this notion that aging is a linear you know uh process that just happens over time no matter what you do.
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Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
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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And then we found hairs where the the hair was white and it went back to being dark.