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.
Those send signals up nerve fiber types. And the two that we refer to are A delta and C fibers. One transmits very fast. It's responsible that sharp jolt of pain that goes to your brain when we step on a tack or put our hand on a hot stove. And there's another fiber called a C fiber, which is much slower and responsible for that dull, achy pain.
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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.
those fast fibers, those A delta fibers, boom, right to your brain. Those are the protective ones that when we put our hand on a hot stove, we immediately jerk it back. We don't even have a conscious perception yet that we did that. And then it's a moment later when the C fibers are getting up to the brain and the other A delta fibers are converging into conscious areas of brain that were like, oh wow, that stove is really hot. And the C fibers in particular are converging on more emotional regions in the brain that are conveying an unpleasantness to that experience.