Quiz: What's Your Diet IQ?

Test how well you know the rich health benefits of the foods you eat.

In the past year, scientists have uncovered some fascinating secret perks of everyday fare—from food that can reduce cholesterol to a snack that can ward off the blues. Take this quiz to find out if your nutritional smarts are up-to-date. And keep your grocery list handy; we predict you'll be adding a few more items to your shopping cart.

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PUBLISHED: 09/21/2011