Andrew Huberman· PhD
It's this carbon dioxide tolerance test.
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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.
It's this carbon dioxide tolerance test.
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.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
And if it's anywhere from 0 to 20 seconds, your stress level is high. And if it's from 20 to 40 seconds, it's moderate. And longer than 40 seconds means you have good control over your carbon dioxide system, more or less.