Get the facts on IBS with this 100%-accurate animated video. Part of Focus Apps' Understanding Disease: Gastroenterology & Urology series, the IBS app explores various hypotheses on the development of this chronic gastrointestinal illness. Characteristic features of IBS are abdominal discomfort, bloating, and altered bowel function. Explore causes, symptoms, and treatment options and how probiotics may affect gut mucosal cytokines.