One recent study found that people were able to burn up an extra 450 calories a day with one hour of moderate exercise. That can include walking briskly, biking or swimming.

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A photo from 2009 shows "All Natural" Necco Wafers. But after customers rejected the changes, the Massachusetts company returned to its original recipe.

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The Institute of Medicine wants the FDA to adopt new food labels that make it easier for consumers to compare the healthfulness of food products.

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French Laundry pastry chef Lena Kwak with the gluten-free flour she developed.

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McDonald's says it introduced Happy Meals with apple slices to "help customers make nutrition-minded choices for their daily lifestyles."

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