In its recently released dietary guidance, the International Organization for the Study of Inflammatory Bowel Diseases wrote, “Recent evidence points to a plausible role of diet and the microbiome in the pathogenesis of both Crohn’s disease and ulcerative colitis,” and advises that specific food groups and additives can either exacerbate disease or help prevent relapse of inflammatory bowel disease (IBD). What advice do you give your patients with IBD about diet?