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Experiment Shows Portion Control is the Key to Healthy Eating

Some evidence suggests that much of our eating is driven by our heads not stomachs.
02:23 | 09/12/2013

Transcript for Experiment Shows Portion Control is the Key to Healthy Eating

And up next tonight, for americans seeking health and how to be at the top of their game we have an experiment, an experiment that shows portion control may be the key to it all. Here now is the... See More
This transcript has been automatically generated and may not be 100% accurate.
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