Inflammatory Bowel Disease is a serious chronic disease. This book focuses on inflammatory bowel disease and describes new developments in the pathogenesis of inflammatory bowel disease. It also elucidates many recent criterion included in the etiopathogeny of Crohn's disease and ulcerative colitis, like intestinal barrier dysfunction and the roles of TH 17 cells and IL 17 in the immune response in inflammatory bowel disease. This book also highlights many significant scientific topics. For instance, pregnancy during inflammatory bowel disease and health-condition after different treatments have been discussed. At last, developments in management of patients with inflammatory bowel disease have been described, with an analysis of recent studies in this domain.