Andrew Huberman· PhD
So between 1981 and 1991, the ratio of normal spermatogenesis has decreased from 56.4% to 26.9%.
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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 between 1981 and 1991, the ratio of normal spermatogenesis has decreased from 56.4% to 26.9%.
Every Sunday: the week’s new conflicts and verdict changes — and nothing else.
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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