Dr. Loftus is a widely recognized expert in the diagnosis and treatment of Crohn's disease. He has created an issue devoted the current state-of-the-art on Crohn's disease; authors have written comprehensive reviews on the lastest research to inform clinical diagnosis and treatment. Articles are devoted to the followingt topics: Genetics; Epidemiology, natural history, and risk stratification of Crohn's disease; The microbiome in Crohn's disease: Role in pathogenesis and role of microbiome replacement therapies; Endoscopic and radiographic assessment of Crohn's disease; Intestinal and...