Bryan Johnson· Author
A PACE score of 0.5 means that you biologically age 1 year every two years, while a PACE score of 0 would mean that you have completely halted your 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.
A PACE score of 0.5 means that you biologically age 1 year every two years, while a PACE score of 0 would mean that you have completely halted your 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.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.