Bryan Johnson· Author
Recently updated to 1/4 brazil nut daily because recent Selenium (blood) result came in high at 416 ug/L. Reference range is 100-340 ug/L.
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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.
Recently updated to 1/4 brazil nut daily because recent Selenium (blood) result came in high at 416 ug/L. Reference range is 100-340 ug/L.
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.
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Updated my brazil nut intake to 1/4 nut/daily bc Selenium (blood) result came in high at 416 ug/L. Ref range is 100-340 ug/L