An Afghan man who is said to be suffering from mental health problems is chained in a mud room at the Mia Ali Baba shrine, in Jalalabad province, April 14, 2014. Residents in the area believe that spending 40 days chained in isolation at the shrine can cure mental health problems. REUTERS/Parwiz (AFGHANISTAN - Tags: HEALTH TPX IMAGES OF THE DAY) 

A patient sits outside his ward at a mental hospital in Kabul November 11, 2012. The war in Afghanistan is creating a generation of people mentally damaged by their exposure to incessant conflict, a buildup of problems which could undermine the country's reconstruction and development efforts. Picture taken November 11, 2012. To match story AFGHANISTAN-HEALTH/MENTAL REUTERS/Adnan Abidi (AFGHANISTAN - Tags: CIVIL UNREST HEALTH CONFLICT) 

A patient looks out from his ward at a mental hospital in Kabul November 11, 2012. The war in Afghanistan is creating a generation of people mentally damaged by their exposure to incessant conflict, a buildup of problems which could undermine the country's reconstruction and development efforts. Picture taken November 11, 2012. To match story AFGHANISTAN-HEALTH/MENTAL REUTERS/Adnan Abidi (AFGHANISTAN - Tags: CIVIL UNREST HEALTH CONFLICT TPX IMAGES OF THE DAY) 

A patient is seen through a hole in a gate as he sits inside his ward at a mental hospital in Kabul November 11, 2012. The war in Afghanistan is creating a generation of people mentally damaged by their exposure to incessant conflict, a buildup of problems which could undermine the country's reconstruction and development efforts. Picture taken November 11, 2012. To match story AFGHANISTAN-HEALTH/MENTAL REUTERS/Adnan Abidi (AFGHANISTAN - Tags: CIVIL UNREST HEALTH CONFLICT) 

A patient looks on as a hospital staff holds a diary containing details of the patient inside a mental hospital in Kabul November 11, 2012. The war in Afghanistan is creating a generation of people mentally damaged by their exposure to incessant conflict, a buildup of problems which could undermine the country's reconstruction and development efforts. Picture taken November 11, 2012. To match story AFGHANISTAN-HEALTH/MENTAL REUTERS/Adnan Abidi (AFGHANISTAN - Tags: CIVIL UNREST HEALTH CONFLICT) 

Ghazia Sadid, 26, a patient suffering from depression, pauses during an interview with Reuters at a mental hospital in Kabul November 14, 2012. The war in Afghanistan is creating a generation of people mentally damaged by their exposure to incessant conflict, a buildup of problems which could undermine the country's reconstruction and development efforts. Picture taken November 14, 2012. To match story AFGHANISTAN-HEALTH/MENTAL REUTERS/Adnan Abidi (AFGHANISTAN - Tags: CIVIL UNREST HEALTH CONFLICT) 

Men rest at a centre for the mentally ill in the eastern city of Jalalabad April 8, 2007. About 30 mentally ill men are kept in the centre run by the government where they receive food, clothing and shelter in Afghanistan's eastern city of Jalalabad. REUTERS/Ahmad Masood (AFGHANISTAN) 

A man is chained to a wall in a centre for the mentally ill in the eastern city of Jalalabad April 8, 2007. About 30 mentally ill men are kept in the centre run by the government where they receive food, clothing and shelter in Afghanistan's eastern city of Jalalabad. REUTERS/Ahmad Masood (AFGHANISTAN) 

An Afghan man with mental health problems shields his face from the camera as he is chained to a wall of a room at the Mia Ali Baba shrine, in line with a traditional belief that spending 40 days chained in isolation at the shrine can cure the illness, in Jalalabad July 9, 2012. Afghanistan is struggling to fight the mental health problems that afflict some of the population after decades of violence, according to Abdul Rasool, an official from the health department of Jalalabad province. REUTERS/Parwiz (AFGHANISTAN - Tags: HEALTH RELIGION TPX IMAGES OF THE DAY) 

A U.S. military personnel (L) stops a mentally ill person (R) from approaching the scene of a suicide blast in Kabul July 31, 2007. A suicide car bomb wounded three troops from a U.S.-led force and three Afghan civilians in the Afghan capital on Tuesday, the U.S. military said in a statement. REUTERS/Ahmad Masood (AFGHANISTAN) 

A man is chained to a window frame in a centre for the mentally ill in the eastern city of Jalalabad April 8, 2007. About 30 mentally ill men are kept in the centre run by the government where they receive food, clothing and shelter in Afghanistan's eastern city of Jalalabad. REUTERS/Ahmad Masood (AFGHANISTAN) 

A man eats his lunch as he sits next his son, who is suffering from mental illness, inside a ward at a mental hospital in Kabul November 11, 2012. The war in Afghanistan is creating a generation of people mentally damaged by their exposure to incessant conflict, a buildup of problems which could undermine the country's reconstruction and development efforts. Picture taken November 11, 2012. To match story AFGHANISTAN-HEALTH/MENTAL REUTERS/Adnan Abidi (AFGHANISTAN - Tags: CIVIL UNREST HEALTH CONFLICT)