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Alopecia areata, also known as spot baldness, is a condition in which hair is lost from some or all areas of the body. [12] [1] It often results in a few bald spots on the scalp, each about the size of a coin. [7]
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Overview of Alopecia Areata. Alopecia areata is a disease that happens when the immune system attacks hair follicles and causes hair loss. Hair follicles are the structures in skin that form hair. While hair can be lost from any part of the body, alopecia areata usually affects the head and face.
Aug 30, 2023 · Alopecia areata is an autoimmune disease that causes patchy hair loss anywhere on your body, but it most commonly affects the hair on the skin that covers your head (scalp). “Alopecia” is a medical term for hair loss or baldness, and “areata” means that it occurs in small, random areas.
Apr 26, 2022 · What Is Alopecia? Alopecia areata is an autoimmune disorder that causes your hair to come out, often in clumps the size and shape of a quarter. The amount of hair loss is...
Baldness, also known as alopecia, is hair loss, or absence of hair. Baldness is usually most noticeable on the scalp, but can happen anywhere on the body where hair grows. Treatment for baldness depends on the type of baldness and its underlying cause.
Oct 19, 2023 · Alopecia areata is a common hair loss condition that develops when your immune system attacks your hair follicles. It affects nearly 7 million people in the United States, according...
- www.niams.nih.gov
- › Health Topics
Alopecia areata is a disease that causes hair loss. In alopecia areata, the immune system attacks the structures in skin that form hair (hair follicles). Alopecia areata usually affects the head and face, though hair can be lost from any part of the body. Hair typically falls out in small, round patches about the size of a quarter.
