Gut Bacteria
Gut microbiota, gut microbiome, or gut flora, are the microorganisms, including bacteria, archaea, fungi, and viruses, that live in the digestive tracts of animals.
Glyphosate: A common weedkiller may induce anxiety by disrupting gut bacteria. Researchers observed that rats drinking the chemical developed hypervigilance toward harmless objects and sounds. This altered behavior was accompanied by abnormal changes in a specific dread-inducing region of the brain.