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.
In 2014, Karachi has an estimated population of more than 23.7 million, which makes it the third-largest city in the world by population within the city limits, the 7th largest urban agglomeration and the largest city in the Muslim world.