He is responsible for one of the most frequently cited estimates of the transgender population â 700,000, about 0.3 percent of U.S. adults. That figure is based on data from two surveys. One, conducted in Massachusetts in 2007 and 2009, found that 0.5 percent of respondents ages 18 to 64 identified as transgender.
Causes of Crohnâs Disease. The causes of Crohn's disease are not known. Diet and stress were once believed to be responsible. However, we now know that these may aggravate the disease, but they do not cause it.Research suggests that a malfunctioning immune system, genetics, and environment may be factors in the development of the disease.mmune System. A main characteristic of Crohnâs disease is chronic inflammation. Inflammation is a normal immune system response to outside invaders such as viruses, bacteria, and parasites. Some researchers believe that Crohnâs disease may start as a normal response to an outside invader.
Crohnâs disease causes chronic inflammation and erosion of the intestines or bowel. It can affect different regions of the bowel, stomach, or intestines. There are five different types of Crohnâs disease, each affecting different parts of the digestive tract. Thereâs no known cause of Crohnâs disease. Experts think that it may be due to the immune system reacting to food or bacteria in the intestines or bowel lining. This is thought to cause the uncontrolled inflammation associated with Crohnâs disease. Treatment depends on the type and severity of the disease. Each of the five types of Crohnâs disease is associated with its own symptoms and specific regions of the digestive tract: ileocolitis; ileitis; gastroduodenal Crohnâs disease; jejunoileitis; Crohnâs colitis; Sometimes people experience more than one type of Crohnâs disease at the same time.