A Bleachable Moment

“A 2013 study in the International Journal of Trichology found 84 reports of ‘unusually rapid’ adult hair-blanching in medical literature between 1800 and the present day. Of these, 14 were witnessed by a physician, and were not explained by the rate of follicle growth or any known medical conditions. I am here to report an 85th case: my own.” The Atlantic on the medical mystery of hair that whitens overnight. (For most of us, it just feels that way.)