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Special Report

New Insights into Obesity

As obesity becomes a global health threat, scientists are discovering new details about how this complex affliction affects the body--and about the many factors that bring it on. In a partnership with theVisualMD, here is a look at the fascinating details behind this common condition

The best body mass indexes for low mortality rates

Want to pencil in a healthy target weight for that New Year's resolution? A new analysis of data from 1.46 million adults has zeroed in on the body mass index (BMI) with the lowest risk of death from any cause—and they aren't the ones that most tilt the scales downward.

December 1, 2010 — Katherine Harmon

The World Is Fat: Obesity Now Outweighs Hunger WorldWide

In this episode University of North Carolina Chapel Hill nutrition epidemiologist Barry Popkin discusses the growing problem of obesity, even in developing countries that only recently faced hunger as their primary diet challenge. Popkin is the author of the article The World Is Fat in the September Scientific American. Plus we'll test your knowledge of some recent science in the news. Websites mentioned on this episode include: www.nutrans.org; wwwtheskepticsguide.org

August 22, 2007 — Steve Mirsky

20% off Scientific American Health & Medicine

20% off Scientific American Health & Medicine