Alopecia Areata: What you should know
Card Image

This condition causes hair loss on the scalp, face, and sometimes other parts of the body. It mainly affects the head and face, but it can happen anywhere. Hair usually falls out in quarter-sized areas. Sometimes hair loss is more severe. It affects 6.8 million Americans and has a 2.1 percent lifetime risk. Alopecia areata affects people of various ages, genders, and ethnicities. It usually starts in childhood and is unique to each person who has it..