Irritable bowel syndrome (IBS) is diagnosed using the ROME 4 criteria, and fortunately, most patients who meet the criteria for IBS clinically are unlikely to have another underlying explanation for their symptoms. However, a common misconception is that IBS is a diagnosis of exclusion, so to learn more about this and other controversies surrounding IBS, join Dr. Peter Buch as he speaks with Dr. Alexander Ford, Professor of Gastroenterology and Honorary Consultant of Gastroenterology at Leeds Institute of Medical Research at St. James University of Leeds.