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Mental illnesses like depression and anxiety, is expected to increase by five to ten percent in Sri Lanka due to tsunami trauma, says World Health Organisation(WHO). Mental illnesses like depression and anxiety, is expected to increase by five to ten percent in Sri Lanka due to tsunami trauma, says World Health Organisation(WHO). Due to lack of data, the state of mental health in Sri Lanka before the tsunami was uncertain, but according to WHO estimates ten percent of any country’s population suffers from mild or moderate common mental disorders.

WHO says this percentage could have increased to 20 percent in Sri Lanka due to tsunami trauma.

With time the number of people suffering from mental disorders depression and anxiety could go down to 15 percent.

“Thus, in short, as a result of disaster, the population rates of disorder are expected to increase by about five to ten percent,” says WHO.

Severe mental health problems, such as psychosis or severe depression, typically affect two to three percent of any given population but can increase to three to four percent after a disaster, WHO said.

WHO developed a strategy for strengthening mental