Andrew Huberman· PhD
It’s true. 4 a day! (In the morning and daytime), maybe coffee too sometimes.
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 true. 4 a day! (In the morning and daytime), maybe coffee too sometimes.
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.
But for me, yerba mate is one of the preferred sources of caffeine. For me, I like the way it tastes. It does provide that sort of caffeine kick that I like to have early in the day for focus and for work and for exercise.