The country has just one psychiatric hospital for a population of 38 million.
Nadia Murad, an Iraqi Yazidi who was tortured and raped by Islamic State militants, explains what winning the prize means to her.
Nadia Murad was held captive as a sex slave by the so-called Islamic State group. She tells the BBC's Hardtalk how she escaped.
Ghazal's family raised thousands of dollars to get her and her children released.
A Yazidi teenager sold into slavery by Islamic State was found by her former captor in Germany.