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.
Which as the name suggests, you just breathe really deeply in and really deeply out 25 times. Or if you're Wim, you'd say, "In and out. In and out." I just tell people, here's how it works. You go [deeply breathing]. You do that 25 times and you heat up and you feel really agitated, and that's because of adrenaline.
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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.
It's very clear from studies both done on Wim specifically but on the general population as well by my lab and other labs that that pattern of cyclic hyperventilation, of deliberately breathing deeply and repetitively, typically in through the nose, out through the mouth, generates a lot of adrenaline or causes adrenaline release from the brain and body.