How gut bacteria may affect anxiety
Tiny molecules could be key to microbes’ long-distance effect on the brain
![illustration of human gut](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/08/082817_MT_microbiome_main_FREE.jpg?fit=860%2C460&ssl=1)
GUT REACTION Scientists may have identified the molecular operatives in the brain that help gut bacteria influence anxiety levels from afar.
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