What Is Alopecia? The hair-loss condition Jada Pinkett Smith has

Causes

The condition occurs when white blood cells attack the cells in hair follicles, causing them to shrink and dramatically slow down hair production. It is unknown precisely what causes the body’s immune system to target hair follicles in this way.While scientists are unsure why these changes occur, it seems that genetics are involved as alopecia areata is more likely to occur in a person who has a close family member with the disease.