The health costs of obesity are well known: more frequent hospital visits, greater reliance on prescription drugs, a heightened risk for diseases like diabetes. What's less well known are obesity's economic costs. How much of a burden does obesity put on public infrastructure? On GDP? On the federal deficit?
Changes in gasoline consumption offer a lens for the scale of this larger question. Thanks to the startling rise in obesity, every year Americans consume at least a billion gallons more gas today than they would have if people were as trim as they were in 1960. For every additional pound of passenger weight, the United States uses up another 39 million gallons of fuel each year.
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