However, autoimmune disorder have also been statistically linked to left handedness. Autoimmune disorders result in destruction of 1 or more types of body tissues, abnormal growth of an organ, or changes in organ function. The disorder may affect only 1 organ or tissue type or may affect multiple organs and tissues. Organs and tissues commonly affected by autoimmune disorders include blood components such as red blood cells, blood vessels, connective tissues, endocrine glands such as the thyroid or pancreas, muscles, joints, and skin. A person may experience more than one autoimmune disorder at the same time.
Some disorders have multiple interrelated causes, one of which is autoimmunity.
Reiter's syndrome Graves disease Ency. Please read it.