Alopecia areata is believed as an immune disease, which planned to assist the body from invaders like bacteria, viruses that affect on the hair cysts, that are responsible for the growth of the hair as a result it leads to hair loss on the skin of the head and any other part of the body. The severity of the Alopecia areata varying from case to case bases. In some cases it is not extend to the limit while in some cases it extend to few patches. If the symptoms are sever than it leads to total loss of hair.
There is no perfect reason find by the scientist to know the reason of the hair loss. There are several reasons like environmental changes; viral infection and genetic disorder are the main reasons responsible for the possible hair loss. There is no exact reason are found for the hair loss. It is essential to protect the hair follicles and manage the better growth of hair. It is essential to apply proper treatment to reduce the effects of the hair loss.