Second Opinion with Joan Lunden

Alopecia Areata

Alopecia areata is a common autoimmune disorder that often results in unpredictable hair loss. It affects roughly 6.8 million people in the United States and is one of the most requested topics from viewers every year.

Alopecia Areata

26m 46s

Alopecia areata is a common autoimmune disorder that often results in unpredictable hair loss. It affects roughly 6.8 million people in the United States and is one of the most requested topics from viewers every year.

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