Rare Medical News

5 Facts you should know about

Alopecia Areata

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1

Alopecia areata is a T cell–mediated autoimmune disease

resulting in the destruction of hair follicles.

2

Hair loss is usually confined to the head and face,

although the entire body may be involved.

3

About 0.15% of people are affected at any one time,

and 2% of people are affected at some point in time.

4

It starts in childhood in about 50%,

and before the age of 40 years in 80%.

5

Alopecia areata shares genetic risk factors with other autoimmune diseases,

including rheumatoid arthritis, type 1 diabetes, and celiac disease.

Rare Medical News