Andrew Huberman· PhD
Most of that atrophy, you might be surprised to learn, is not because the muscles aren't being used. It's because the nerves sending signals to those muscles are not active and therefore the muscles aren't contracting.
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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.
Most of that atrophy, you might be surprised to learn, is not because the muscles aren't being used. It's because the nerves sending signals to those muscles are not active and therefore the muscles aren't contracting.
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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