Rhonda Patrick· PhD
Exercise causes muscle tissue to release a compound called irisin which increases bone mass and bone strength.
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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.
Exercise causes muscle tissue to release a compound called irisin which increases bone mass and bone strength.
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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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Exercise causes a hormone called irisin to be released from muscle.
Exercise releases irisin which burns & browns fat, induces stem cells to form bone and suppresses arterial plaque.