Barry Popkin articles over last 30 days

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2014/11/28 14:25
2014/11/28 14:25
24d
... it did for tobacco, is the most effective way to get people to change their behavior,” said Barry Popkin, an economist who teaches global nutrition at the University of North Carolina. Popkin...
2014/11/28 14:25
2014/11/28 14:25
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2014/11/28 14:25
2014/11/28 14:25
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