Bryan Johnson· Author
They got their blood work done and they saw an increase in this protein called S100B which is linked to things like traumatic brain injuries.
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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.
They got their blood work done and they saw an increase in this protein called S100B which is linked to things like traumatic brain injuries.
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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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