Obesity Could Reduce American Longevity Estimates

A new study says life expectancy in the United States may decline later this century due to a sharp rise in obesity nationwide. The research, published in this week's New England Journal of Medicine, says that if obesity levels continue to rise, statisticians may have to shave 2 to 5 years from the average American's life expectancy. Such a sustained downward shift in projected life expectancy would be the first such drop in more than 200 years.

Guests:

Jay Olshansky, professor, epidemiology and biostatistics, School of Public Health, University of Illinois at Chicago

David Ludwig, director, obesity program, Children's Hospital Boston. Associate professor of pediatrics, Harvard Medical School

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