Andrew Huberman· PhD
So, ghrelin is secreted as a food anticipatory signal, to get you motivated to go eat at regular times.
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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.
So, ghrelin is secreted as a food anticipatory signal, to get you motivated to go eat at regular times.
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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.
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Your ghrelin secretion will start to match when you typically eat. And it does that. And it's able to override the low levels of glucose in your bloodstream, because the ghrelin system also gets input from a clock in your liver that is linked to the clock in your hypothalamus, in your brain.