In a study recently published in the Journal of Affective Disorders, researchers have found evidence suggesting that certain types of gut bacteria may influence the thickness of the brain’s cortex. The study identifies specific bacteria within the orders Lactobacillales and Bacillales that are potentially associated with changes in brain structure. Our gut is teeming with microorganisms that influence various aspects of our health, from metabolism and immunity to our risk for diseases. Recently, scientists have begun to explore how these microbes might also impact the brain. This interaction b…