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 disease, also known as coeliac disease, is an autoimmune disorder that affects around 1 in 100 Americans. The disease is caused by gluten intolerance. Gliadin, a protein in wheat, causes the afflicted persons immune system to attack its own bowel tissue.