Partial Reversal of Canities in a 22-Year-Old Normal Chinese Male

Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.

Alopecia areata can sometimes appear as a straight line of hair loss instead of round patches.

Combining platelet-rich plasma therapy with prostaglandin-F eye drops can significantly regrow hair in alopecia universalis.

Alopecia areata is a genetic and immune-related hair loss condition that is often associated with other autoimmune diseases and does not typically cause permanent damage to hair follicles.