Aripiprazole is effective for the treatment of acute manic episodes of bipolar disorder in adults, children, and adolescents. Used as maintenance therapy, it is useful for the prevention of manic episodes, but is not useful for bipolar depression.
The enormous population of 23.5 million (23,500,000) is also due to the fact that Karachi is the main business center of, almost, all the corporations in Pakistan. Having population density of 6,663/km2, it is also a main hub of higher education in Muslim world. See Also; 10 Most Dangerous Cities in The World.
Population density of Pakistan at 260/km2 is nothing compared to countries like Singapore with a population density of 7600/km2. Educating kids and making employment opportunities for them will be the first and formost plan of the government.