This is Aimee Rouski, a 19-year-old from Liverpool, England, who has Crohn’s disease, a chronic inflammatory disease that affects the digestive system. Crohn’s is an incurable disease which causes inflammation of the lining of any part of the gastrointestinal tract. It can cause abdominal pain, severe diarrhea, fatigue, weight loss, and malnutrition — which can become life-threatening. Many people with Crohn’s will have at least one surgery as part of treatment, either to widen a part of the intestine or to remove portions of the intestines or the colon and/or rectum. Rouski recently posted a few selfies with her ostomy...