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.
Celiac Syndrome is a collection of symptoms caused by a genetic intolerance to the protein gluten. Those who have the problem are born with it. Gluten is found in many grains such as wheat, barley, rye andoats. Related proteins are found in spelt, triticale, kamut and other grains.