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A weighty matter

Prevalence of obesity among U.S. adults in 1991, according to the Centers for Disease Control and Prevention

Prevalence of obesity among U.S. adults in 2000

Percentage increase in obesity between 1991 and 2000

38.8 million
Number of American adults who met the definition of obesity (a body mass index of 30 or more) in 2000

$110 billion
Amount of money Americans spent on fast food in 2001, according to the National Institutes of Health

Numbers of years of research grants awarded by the entire National Institutes of Health that that sum would fund

$117 billion
Estimated cost of obesity in 2000 ($61 billion in direct medical costs and $56 billion in indirect costs, such as disability)

Estimated number of hamburgers sold in 2002 at Dartmouth Medical School's Cafe North Cafeteria

Estimated number of turkey sandwiches sold in 2002 at Cafe North

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