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.
so adrenaline has a lot of effects within the body but when it's released it also acts on so-called adrenergic receptors on the vagus nerve then the vagus nerve is activated in a way that stimulates the activity of a brain area because remember the vagus goes from the body into the brain stimulates the so-called NST and because neuroanatomists like to argue about naming sometimes it'll also be called the NTS the nucleus of
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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.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
adrenaline released from the adrenals as uh some of the listeners may know doesn't cross the bloodb brain barrier but turns out it binds to receptors on the Vegas which then stimulates noradrenaline in the brain and provides this increase in alertness