Alopecia: What It Is, Causes, Signs, and Treatment | Osmosis
https://www.osmosis.org/answers/alopecia
WEBSep 8, 2023 · Alopecia (also known as alopecia areata) is a chronic, immune-mediated skin disease characterized by sudden loss of hair on the scalp, beard, and sometimes eyebrows, eyelashes, and body hair. It can also be described as bald spots or bald patches.
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