The book, I Have IBS, Now What?!!! was written by Dr. Ashkan Farhadi, a leading gastroenterologist. Dr. Farhadi wrote this book originally in 1996 as a resource for patients who were diagnosed with Irritable Bowel Syndrome (IBS). After 5 successful edition, this new edition (E5 2013) features the most up-to-date information on IBS including new advances in the field and two new chapters dedicated to the use of probiotics and diet in IBS. This book compiles real patient questions posed to Dr. Farhadi over years of practice into a first rate guide for patients with IBS and also include the opinion of a group of experts in the field of gastroenterology with a special attention to the psychological and nutritional aspects of this common disorder.