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Science

What evolved first—our brain or gut?

October 19, 2026 · 1:40 pm 1 sources

Image: Phys.org

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  • What evolved first—our brain or gut?
    Phys.org · October 19, 2026 13:40
    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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