MEANING : (n.) an intelligent person with a non-social obsession (such as computer programming) that renders him/her annoying or unattractive.
Signs of celiac disease begin to show not only in childhood patterns, but can also develop at more mature ages. What causes celiac disease is often linked to hereditary reasons, certain genetic disorders, and autoimmune disease. Some indicators can include anemia, bad liver function, autoimmune thyroid disease, Down syndrome, Microscopic colitis (colon inflammation), and Turner Sydrome (an incomplete sex chromosome).
1 Celiac is also linked to other autoimmune disorders and is now believed to lead to osteoporosis, anemia, infertility and cancer if left untreated.  Inheritance: the genetics of Celiac disease is simplest of the automimmune diseases, with autosomal recessive inheritance and an environmental factor, gluten.