Bryan Johnson· Author
The recent crossover study 39 younger adults (age between 18–30) vs. 36 older adults ( age between 67–79) explored how aging and the oral microbiome shape our response to dietary nitrate.
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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 recent crossover study 39 younger adults (age between 18–30) vs. 36 older adults ( age between 67–79) explored how aging and the oral microbiome shape our response to dietary nitrate.
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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