02/28/2012 11:03 am ET

Food And Cancer: Can Your Diet Really Prevent Cancer? (VIDEO)

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It seems there is always a new study urging us to stock our pantries with "miracle foods" to prevent cancer. But will eating these foods really work, and if so, how much should we be consuming? In the above video, Madelyn Fernstrom -- "TODAY's" diet and nutrition editor -- sheds some light on whether eating certain foods can really affect our cancer risk.