VIDEO: Katie Couric Issues ‘Fed Up’ Challenge

After the release of "Fed Up," a new documentary blaming big-name food manufacturers as the cause for obesity, Katie Couric to issued a no-sugar challenge. That means going 10 days with no added sugar in you diet, including artificial sweeteners and yogurts.

New documentary "Fed Up" explores America's obsession with added sugar in foods. Dan Harris took Katie Couric's challenge and went 10 days with no sugar. 

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