01/08/2013 08:37 am ET Updated Mar 10, 2013

The Real Reason Obesity Is So Bad For America

Last week there was a lot of fanfare over a new study showing that overweight people have less risk of dying than people of normal weight. Lovers of butter cookies and Popeyes the world over surely rejoiced at the news. But at the annual meeting of the American Economic Association over the weekend in San Diego, health economists I spoke with expressed dismay over the study's fiscal implications.

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