Andrew Huberman· PhD
So nicotine increases heart rate, blood pressure, and contractibility of the heart.
Loading…
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 nicotine increases heart rate, blood pressure, and contractibility of the heart.
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.
When nicotine makes it into the bloodstream, again, within two to 15 minutes of ingesting it, depending on the delivery device, your heart rate will increase, blood pressure will increase, and the contractibility of the heart tissue will actually increase. So what that essentially speaks to is an increase in so-called sympathetic tone.