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 exact cause of Crohn's disease is not known. Research suggests a genetic component to the disease. If you have a close relative â such as a parent or a sibling â with Crohn's, you are much more likely to develop the disease.ince Ashkenazi Jews also have a higher risk for Crohn's, the genetic link is being explored as a possible explanation. Researchers believe that certain human chromosomes may have a role in determining whether or not someone gets Crohn's disease. Chromosomes are found within cell nuclei.