AN AUTOIMMUNE condition in which people lose some or all of their hair may result from mistaken attacks on hair follicles by the so-called natural killer white blood cells. The insight comes from a huge study that compared the genomes of more than 1000 individuals with the condition alopecia areata against those of people free of it.
of Columbia University in New York and her colleagues uncovered 18 genes linked with . As might be expected of an autoimmune disease, where the immune system turns on healthy tissue, all the genes play a role in controlling…
