Because the Earth is a three-dimensional sphere and not merely a two-dimensional flat, East-West surface. Because of this spherical shape, often times the shortest distance is flying more north and south, up over the Northern latitudes and the North Pole, rather than flying east/west over the Pacific.
1 Too few red blood cells (anemia). 2  Some people with Crohn's disease develop anemia because of low iron levels caused by bloody stools or the intestinal inflammation itself. A high fever may mean that you have an infection, such as an abscess. 2  Weight loss. 3  Ongoing symptoms, such as diarrhea, can lead to weight loss. 4  Too few red blood cells (anemia). 5  Some people with Crohn's disease develop anemia because of low iron levels caused by bloody stools or the intestinal inflammation itself.
The causes of Crohnâs disease are not well understood. Diet and stress may aggravate Crohnâs Disease, but they do not cause the disease on their own. Recent research suggests hereditary, genetics, and/or environmental factors contribute to the development of Crohnâs Disease.