The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
as you expand the gut, a signal is sent by neurons, literally nerve cells that are in the gut to the brain, stem up to the areas of the brain that are involved in feeding, I did a whole episode on feeding. You can find on "Feeding, Metabolism And Hunger." You're welcome to listen to that episode, if you like, and we'll shut down the neurons that drive the desire to put more stuff in your mouth.
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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.
Likewise, when your stomach is full, it sends signals to your brain that are purely based on this mechanical fullness, has nothing to do with nutrients, that says I'm full. And therefore don't be as hungry. Don't motivate to find or ingest food.
If you drink a lot of fluid or if you eat a lot of food, your gut will fill up. If there's a lot of that food, pressure receptors communicate to the areas of your brain that are involved in feeding and will say, "Don't eat anymore. You don't need to consume anymore." The converse is also true. When these receptors signal to the brain that the gut is empty, so when you find yourself at the refrigerator or you find yourself almost, you know, manically trying to get food of different kinds, you're not even thinking about what you're eating because you're so hungry.
and the brain has signals within it that trigger the urge to eat so basically mechanical and chemical are the two big means through which this is communicated