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Why You Got Fat

FatHeadMovie FatHeadMovie·38 videos
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Uploaded on Feb 20, 2009

For decades we've been told gaining and losing weight is all about the calories. Just one little problem: the research says otherwise. Diabetics undergo dramatic weight changes when they adjust their insulin levels -- and so do you. Your diet determines how much insulin your body will produce over time. From the documentary "Fat Head."

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