Bryan Johnson· Author
I tested my own levels and PFOA was the highest among all PFAS in my system
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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.
I tested my own levels and PFOA was the highest among all PFAS in my system
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.
I wonder actually if what we've been doing with Blueprint over the past 5 years effectively lowered my levels in ways which we don't yet know.
my PFOA levels are in the lowest 25% for US men aged 20 to 49. They use that because it accumulates over time. And uh my PFOS and my PFXXS are in the lowest 25% compared to boys aged 12 to 19.