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Which popular weight-loss programs work best?

Name: Which popular weight-loss programs work best?
Uploaded: 2015-04-06T22:05:04-0400
Duration: 1 min 19 s
Description: A new study finds two leading diet programs appear to be more effective than others at helping people lose weight and keep it off for at least 12 months. Don Champion reports.

A new study finds two leading diet programs appear to be more effective than others at helping people lose weight and keep it off for at least 12 months. Don Champion reports.