Gut bacteria linked to key brain chemicals in first-of-its-kind human study

The neuroactive potential of bacteria living in the human gut is associated with levels of key chemicals in the brain, according to a new study published in Molecular Psychiatry. The research team from the University of Surrey and the University of Roehampton found that microbial pathways involved in producing and breaking down neuroactive compounds were associated with levels of GABA and glutamate in specific regions of the human brain.

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