Andrew Huberman· PhD
It's proven that in the gut there are neurons connected to the sympathetic system.
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.
It's proven that in the gut there are neurons connected to the sympathetic system.
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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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the extrinsic innervation includes the brain which sends fibers to those neurons and the sympathetic nervous system which projects from outside the gut into it and it also includes the spinal cord and the ganglia associated with the spinal cord sensory ganglia and dorsal root which provide a sensory innervation of the gut