Bryan Johnson· Author
Telomerase activity sharply drops in adolescence and then gradually declines as we age, which contributes to faster telomere loss, and shorter telomeres mean faster aging.
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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.
Telomerase activity sharply drops in adolescence and then gradually declines as we age, which contributes to faster telomere loss, and shorter telomeres mean faster aging.
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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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