Study: Mediterranean diet lowers risk of heart attack

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Low-fat or Mediterranean -- which diet is better for your heart?

Researchers in Spain tracked people on each diet for five years. They found the Mediterranean diet -- especially one with a lot of extra-virgin olive oil is healthier.

That group's risk of having a heart attack, stroke or dying of heart disease was 30 percent lower than the group that ate a low-fat diet.

The New England Journal of Medicine has the study online Monday.

Related: Mediterranean diet recipes from Mayo Clinic