Andrew Huberman· PhD
Men can generate sperm their entire lifetime. Of course, there's a diminishment of sperm production in very, very late age, say, 80s and 90s or 100s. But believe it or not, there are still sperm being produced.
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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.
Men can generate sperm their entire lifetime. Of course, there's a diminishment of sperm production in very, very late age, say, 80s and 90s or 100s. But believe it or not, there are still sperm being produced.
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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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