Zach Bush overview

The microbiome drives changes in the brain that lead to changes in behavior. And there are various other factors, such as stress, that contribute to brain chemistry imbalance and mental health disorders. Recent studies have linked a number of mental and developmental disorders to the gut microbiome. It is estimated that 90 percent of the body's serotonin is made in the digestive tract. People who experience feelings of depression usually have a gut microbiome problem.