Alopecia Areata Essay

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Jessica Guzman Vikki Angell English 101 February 24, 2014 Alopecia areata is a skin disease that can affect all hair bearing skin and is marked by areas of non scarring hair loss. Alopecia areata is rarely associated with any other external or internal medical problems (Alopecia Areata Causes). Most often these bald areas regrow hair randomly. Alopecia areata is a hair loss condition that mainly affects the scalp. Current evidence shows that alopecia areata is caused by an abnormality in the immune system. Alopecia areata occurs within family members, and is usually hereditary (Alopecia Areata Causes). There are three types of alopecia areata, alopecia areata, Alopecia areata totalis and alopecia areata universalis(Alopecia Areata : What). Alopecia areata, the most common variation of the autoimmune disease, presents itself as round, smooth patches of various sizes on the head some people with alopecia areata, the fingernails and toenails become pitted they look as if a pin had made many tiny dents in them. They may also look like sandpaper. Alopecia areata totalis presents itself as total loss of hair on the scalp. Alopecia areata universalis, is the rarest form of alopecia areata and presents itself as the loss of hair over the entire scalp and body (About Alopecia Areata). In all forms of alopecia areata, the hair follicles remain alive and are ready to resume normal hair production whenever they receive the appropriate signal. (Alopecia Areata : What). In all cases, hair regrowth may occur even without treatment and even after many years. Current evidence shows that alopecia areata is mainly caused by an abnormality in the immune system (Alopecia Areata Causes). This abnormality leads to autoimmunity, a misguided immune system that attacks its own body (Alopecia Areata : What). As a result, the immune system attacks particular tissues of the body

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