MEANING : (n.) an intelligent person with a non-social obsession (such as computer programming) that renders him/her annoying or unattractive.
Other genetics-related clues as to what causes celiac disease include the parentâs bad diet habits before conception and/or the motherâs poor diet during pregnancy, vitamin deficiency, and Candida (yeast overgrowth) present in one or both parents during conception.
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.