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.
Pakistan's cities are expanding much faster than the overall population. At independence in 1947, many refugees from India settled in urban areas. In the 1950s, more than one-half of the residents of several cities in Sindh and Punjab were muhajirs.