Symbols like these are designed to help shoppers make healthier choices Dan Charles/NPR hide caption

itoggle caption Dan Charles/NPR
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Leah Lizarondo. with her hands covered in plastic bags, gathers stinging nettles. Larkin Page-Jacobs for NPR hide caption

itoggle caption Larkin Page-Jacobs for NPR

The fact that Nutella's parent company, Ferrero, is known for its chocolates might be a tip-off that the sweet hazelnut spread isn't exactly "health" food. STEFANO RELLANDINI/Reuters /Landov hide caption

itoggle caption STEFANO RELLANDINI/Reuters /Landov

Cattle feeding practices have been changed in an effort to halt the spread of mad cow disease. iStockphoto.com hide caption

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