Global warming is happening now. The planet's temperature is rising. The trend is clear and unmistakable. Every one of the past 40 years has been warmer than the 20th century average. 2016 was the hottest year on record. The 12 warmest years on record have all occurred since 1998.
In this article. Crohn's disease, also known as ileitis or regional enteritis, is a chronic illness. In Crohn's, the intestine, bowel, or other part of the digestive tract becomes inflamed and ulcerated -- marked with sores.
Medical Definition of Ileitis, Crohn. Ileitis, Crohn: Inflammation of the ileum (the farthest segment of the small intestine) due to Crohn's disease. Crohn's disease is a chronic inflammatory disorder, primarily involving the small and large intestine, but which can affect other parts of the digestive system as well. It is named for the doctor who first described the disease in 1932.