Andrew Huberman· PhD
but there are also neurons within your skin that sense cold and other neurons that can directly release norepinephrine into the fat stores and cause those white fat cells to convert to beige and brown fat.
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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.
but there are also neurons within your skin that sense cold and other neurons that can directly release norepinephrine into the fat stores and cause those white fat cells to convert to beige and brown fat.
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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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release norepinephrine into those fat cells, which as I pointed out earlier, set off a huge set of immediate and long term cascades of even gene expression changes.
so you have this increase in uh no adrenalin which will then immediately activate the brown fat um because the you can say the activator is the most potent one cold and no adrenaline that's going to activate the bra