Hippos may look harmless, but their poop plays a deadly role in their ecosystem. This video explores how their waste can trigger dangerous chain reactions in rivers, affecting fish, other wildlife, ...

Understanding the gut microbiome at the subspecies level could revolutionize how we approach diseases like colorectal cancer.

Two leading G.I. doctors explain eight common reasons the experience doesn't feel like relief, and when it's not just a passing sensation. About the experts Adrienna Jirik, MD, is a board-certified ...