Bryan Johnson· Author
the protein S-100B spiked akin to a mild traumatic brain injury.
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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.
the protein S-100B spiked akin to a mild traumatic brain injury.
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Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
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We found this marker specifically of people who were sleepd deprived had elevated levels of S100B equal to a traumatic brain injury.
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