Bryan Johnson· Author
for the most part there is no way at all to determine how old someone is
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.
for the most part there is no way at all to determine how old someone is
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.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
but also I sort of agree with the idea that reducing it to one number while conceptually I think it's possible I think in reality is going to be really really difficult to do