Alopecia is a group of conditions characterized by partial or complete hair loss. A person with alopecia might experience hair loss anywhere on the body, but the head is the most common area. Alopecia is often genetic, but many treatments can help manage symptoms.

The back of the head of a young woman with brunette hair and alopecia (hair loss).
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Portrait of old mother with cancer and hair loss from anti-cancer drugs and her middle aged daughter
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Rearview of a man holding his head that has a bald spot from alopecia
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A man looking at his receding hairline in the mirror
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A man checks his curly hair in the mirror for signs of alopecia
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Overview illustration of Alopecia
What Is Alopecia?
Woman with alopecia doing her makeup in mirror
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BOSTON, MA - JANUARY 21: Congresswoman Ayanna Pressley addresses the crowd during the 49th Annual Martin Luther King Jr. Memorial Breakfast at the Boston Convention and Exhibition Center in Boston on Jan. 21, 2019. (Photo by Craig F. Walker/The Boston Globe via Getty Images)
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