The Dawn of a New Era in Headache Classification

Among themany things the COVID pandemic taught humanity, a prominent one is thatmedical knowledge is ultra-rapidly changing. Changes are driven by need and the world saw long strides in new knowledge to defeat a common enemy.This was also the time some radically new approaches tomedical publications were made. One eye-catching format was that of living systematic reviews. Evenwith rapid publication, it has been noted that there is a lag bymonths or years in cumulative evidence. Living reviews allowed authors to update previously vetted and peer reviewed literature (1).