MEANING : (n.) an intelligent person with a non-social obsession (such as computer programming) that renders him/her annoying or unattractive.
Celiac disease is believed to be an autoimmune disorder. While genetics appear to play a role in causing it, some people at risk for celiac disease will not develop it until something triggers their immune system, such as a viral infection or severe emotional stress. An Introduction to Celiac Disease and Its Causes.
Doctors don't really know what causes the disease. Having certain genes can increase your chance of getting it. You're more likely to have these genes and get celiac disease if a close family member has the disease. Symptoms of celiac disease include: 1  Gas and bloating. 2  Changes in bowel movements. 3  Weight loss. 4  Feeling very tired. 5  Weakness.