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. Celiac disease is a diet-related disease that affects your small intestine. According to the National Institute of Diabetes and Digestive and Kidney Diseases, celiac disease is caused by a gluten intolerance that interferes with your absorption of nutrients from food. Gluten is a protein in wheat, rye and barley.