Crohn 's Disease

What is Crohn 's disease ? Crohn 's disease is a chronic (long-lasting) disease that causes inflammation in your digestive tract. It can affect any part of your digestive tract, which runs from your mouth to your anus. But it usually affects your small intestine and the beginning of your large intestine. Crohn 's disease is an inflammatory bowel disease (IBD). Ulcerative colitis and microscopic colitis are other common types of IBD. What causes Crohn 's disease ? The cause of Crohn 's disease is unknown. Researchers think that an autoimmune reaction may be one cause. An autoimmune reaction happens when your immune system attacks healthy cells in your body. Genetics may also play a role, since Crohn 's disease can run in families. Stress and eating certain foods don't cause the disease , bu