Gastroenterology is an area of medicine that focuses on the study and treatment of diseases targeting the digestive system, the gastrointestinal (GI) tract, as well as the liver. The digestive system is responsible for the vital role of digesting food, transporting nutrients, and removal of harmful waste products from the body. Gastroenterologists and Hepatologists are well-trained to diagnose and treat conditions like irritable bowel syndrome, hepatitis, peptic ulcer diseases, colon polyps and cancer, pancreatic diseases, etc.