Many popular food games for computers and devices like tablets are actually "advergames", created by food manufacturers to market their products to kids. iStockphoto.com hide caption

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Pumpkins for sale at the Mt. Rogers Pumpkin Patch in the a parking lot in Centreville, Va. Paul J. Richards/Getty hide caption

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Nathaniel Donaker, 4, eats Kellogg's Frosted Flakes cereal at his home in Palo Alto, Calif. Frosted Flakes is 27 percent sugar, according to a report by the Environmental Working Group. Paul Sakuma/AP hide caption

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