According to the National Institutes of Health, there are sixty to seventy million people affected by digestive diseases in the United States. The old proverb tells us “you are what you eat,” and the latest science shows that this may be truer than we even thought. Diet has a profound effect on both physical and mental health. Most of the body’s immune system is in the gut, so pathology and dysfunction in the gut and imbalanced gut flora can cause neuroinflammation and possibly even neurodegenerative disease over time. Featuring contributions from dozens of experts on gut disorders and related physical, mental, and behavioral health, this book will fascinate you as you read about the intriguing world of bad bugs, cytokine storms, and the environment in your belly that influences your brain. From the microscopic world of Clostridium to the complex communities of biofilm, Bugs, Bowels, and Behavior emphasizes one simple fact: The gut is connected to the brain.