# What evolved first—our brain or gut?

- Source: Phys.org
- Published: 2026-10-19T13:40:06+00:00
- Category: Science
- Original: https://phys.org/news/2026-10-evolved-brain-gut.html
- Canonical: https://groundlevelnews.com/story/what-evolved-first-our-brain-or-gut-75c1bd/

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.

_Ground Level News shows a short summary only; the full article and all rights belong to Phys.org._