Andrew Huberman· PhD
Ingestion of sugar hits two parallel neural circuits: one that detects nutritive value & another that relates to perceived sweetness (taste).
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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.
Ingestion of sugar hits two parallel neural circuits: one that detects nutritive value & another that relates to perceived sweetness (taste).
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So we reason if this is true and it's the gut brain axis that's driving sugar preference. Then there should be a group of neurons in the brain that are responding to post-ingestive sugar, and low and behold, we identify a group of neurons in the brain that does this and these neurons receive their input directly from the gut brain axis.