Bryan Johnson· Author
5. Avoid smoking cigarettes and secondhand smoke
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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.
5. Avoid smoking cigarettes and secondhand smoke
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.
completely quitting smoking swapping for Vaping or something else the vice that isn't as bad that's really good for bringing down information