This book contains the proceedings of the 66th International Falk Symposium, sponsored jointly by the Canadian Association of Gastroenterology and Interfalk Canada, Inc., and focuses on inflammatory bowel disease therapy. The book concentrates on issues of major concern to clinicians, presenting new and important data in the following areas: Genetic factors in IBD; Other aspects of pathogenesis: clues for future therapy; Life-style issues facing the (young) patient; Diagnsosis of IBD: what is new? Medical therapy of Crohn's disease and ulcerative colitis including paediatric therapy; Diagnosis and management of extraintestinal manifestation; The emerging cancer risk in Crohn's disease; Surgical option in IBD; Recurrence of Crohn's disease and ulcerative colitis; Recurrence of Crohn's disease after surgery. /LIST