1. any of a large group of diseases characterized by abnormal functioning of the immune system that causes your immune system to produce antibodies against your own tissues. Familiarity information: AUTOIMMUNE DISEASE used as a noun is very rare. Dictionary entry details. â¢ AUTOIMMUNE DISEASE (noun).
There is no clearly understood or universally agreed-upon cause for gender identity disorder. However, most experts agree that there may be a strong biological basis for the disorder. The sex of a human baby is determined by chromosomes.
Biological Causes of Body Dysmorphic Disorder. In the arena of biological causes, researchers have begun looking for differences between the brains of healthy people and people with BDD.RI results showed that participants with BDD used the left sides of their brains -- the analytical side -- to process all three images. The other participants used their brains' left hemispheres for only the high-resolution images.