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.
Metformin has long been of interest as a longevity drug, and while some mouse studies including ITP failed to demonstrate conclusive lifespan extension with metformin, the picture here looks much brighter, with 5 out of the 16 clocks indicating significant reduction/deceleration in biological age, with no clock indicating the contrary.
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.