Mental disorders are highly prevalent and cause considerable suffering and disease burden. To compound this public
health problem, many individuals with psychiatric disorders remain untreated although effective treatments exist. We examine the
extent of this treatment gap. We reviewed community-based psychiatric epidemiology studies that used standardized diagnostic
Frantz Fanon's seminal work on the trauma of colonization, The Wretched of the Earth made him the leading anti-colonialist thinker of the twentieth century. This Penguin Modern Classics edition is translated from the French by Constance Farrington, with an introduction by Jean-Paul Sartre.