The main economic activity is manufacturing cars. Major manufacturing cities are Warren, Sterling Heights, Dearborn (Henry Ford's childhood home) and Detroit, also called "Motor City" or "Motown". Other economic activities include banking and other service industries. Most people in Livingston, Macomb, Monroe, Oakland, Washtenaw, and Wayne Counties live in urban areas. In the recent years, urban sprawl has affected the areas of Canton, Commerce, Chesterfield, and Clinton townships. The metropolitan area is also home to some of the highest ranked hospitals and medical centers, Such as the Detroit Medical Center(DMC), Henry Ford Hospital, Beaumont Hospital, and the University of Michigan hospital in Ann Arbor.