UK study of 4·16 million adults/children, shows incidence of Alopecia Areata (AA) to be 0·26/ 1000 person-yrs. AA point prevalence 0·58% in 2018, peaked ages 25–29 years, more likely in nonwhites, those w/ social deprivation & urban living https://t.co/RzuBLt5pmS https://t.co/mmwS9nRfbN