Mayo Clinic: “Crohn’s disease.”
Crohn’s & Colitis Foundation: “Malnutrition & IBD,” “Substance Abuse,” “What Should I Eat?”
Garth Swanson, MD, associate professor of medicine; director, Crohn’s and Colitis Center, Rush University Medical Center.
Digestion: “Is Moderate Red Wine Consumption Safe in Inactive Inflammatory Bowel Disease?”
Lab Tests Online: “Calprotectin.”
Harvard Medical School: “Leaky gut: What is it, and what does it mean for you?”
Annals of Gastroenterology: “Alcohol and narcotics use in inflammatory bowel disease.”
American College of Rheumatology: “Methotrexate (Rheumatrex, Trexall, Otrexup, Rasuvo).”
National Health Service, U.K.: “Azathioprine.”
Reezwana Chowdhury, MD, assistant professor of medicine, gastroenterology, and hepatology; IBD specialist, Johns Hopkins Medicine.