Ulcerative colitis is a type of inflammatory bowel disease that can cause intense periods of abdominal discomfort, diarrhea, and a loss of appetite. A person can manage it by eating or avoiding certain foods that can help reduce the risk of flares and inflammation.Doctors do not know the exact cause of this disease but think it has links to environmental factors, westernized diets and lifestyles, and genetics. Healthful diet management can help a...