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.
Now the muscles themselves, skeletal muscles don't do anything unless the nervous system tells them to do something. And when the nervous system tells them to do something, they contract. So, there are specialized neurons in the spinal cord, and then above the spinal cord, the region called the brainstem, which go to respiratory muscles, in particular for inspiration in the diaphragm and the external intercostal muscles in the rib cage. And they contract.
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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.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
These are skeletal, I didn't say there was skeletal muscles, but they're muscles that need neural input in order to move.