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Science

What evolved first, our brain or gut?

What if the brain evolved to serve the gut? Scientists at Flinders University are challenging a cornerstone of biology, arguing that the gut's nervous system may be the body's original "brain," with the brain evolving later to support its needs.

Phys.org ScienceOctober 19, 20261 min read

What evolved first, our brain or gut?

What if the brain evolved to serve the gut? Scientists at Flinders University are challenging a cornerstone of biology, arguing that the gut's nervous system may be the body's original "brain," with the brain evolving later to support its needs.

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