What are the causes of Alopecia Areata?
The different causes for its occurrence are mentioned below. Genetic causes: Alopecia areata may be seen in an individual having of a family history of this disease. It is an inherited non contagious disease. Most of the scientists believe that alopecia areata is a result of the failure of body’s own immune system. Hence, this disease is also termed as an autoimmune disease. The role of T-lymphocytes in the immune system is to destroy the infected cells of the body. It is believed that these T-lymphocytes act against the body’s follicular cells because of an autoimmune factor. As a result hair follicular cells are destroyed and hair is lost permanently.