7 Foods That Fight Fat

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Dark chocolate

170 calories for 1 ounce

Just one more reason to indulge: nosh on dark chocolate and you'll eat less at your next meal, according to research from the University of Copenhagen.

Why? Compounds in chocolate slow down digestion and make you feel full longer. A small piece of chocolate (aim for the size of a business card) can also curb your cravings for salty, sweet, and fatty foods.

Next: Pine nuts