Alopecia Areata: What It Is, Why It Happens, and How a Dermatologist Treats It
Alopecia areata is one of the conditions that patients find most alarming precisely because it appears suddenly and looks dramatic. A circular patch of hair loss — typically on the scalp, but sometimes on the beard, eyebrows, eyelashes, or body hair — appearing over days to weeks, with no obvious cause, in otherwise healthy skin. The […]