New York, June 12 -- More than one-in-five people living in conflict-affected areas suffers from a mental illness, according to a new report based on UN figures, prompting the World Health Organization (WHO) to call for increased, sustained investment in mental health services in those zones.

Around 22 per cent of those affected, suffer depression, anxiety or post-traumatic stress disorder, according to an analysis of 129 studies published in The Lancet a United Kingdom-based peer-reviewed medical journal. The new estimates, together with already available practical tools for helping people with mental health conditions in emergencies, add yet more weight to the argument for immediate and sustained investment, so that mental and psychosoci...