One of several reasons behind the obesity crisis has been the development of suburban America and the urban sprawl trend. As suburbs began to expand in the 1980's, automobile dependence became pronounced. People in suburbs no longer walk to get a loaf of bread and their children no longer walk to school. This trend toward dependence on automobiles and the resulting impact on obesity is demonstrated in a study done by Reid Ewing, a research professor at the National Center for Smart Growth at the University of Maryland. He surveyed people living in both the most populated countries in the United States and the least populated. He found that the residents of sprawling Geauga County in Ohio were an average of 6.3 lbs heavier than the residents of crowded Manhattan County in New York.
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