By CBS3 Staff

PHILADELPHIA (CBS) — Could coffee be the secret to fighting obesity? New research shows drinking a cup of coffee can stimulate what is known as brown fat.

That’s the fat in your body that keeps you warm by burning calories.

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Previous research shows drinking coffee may have many health benefits, including a lower risk of diabetes and cardiovascular disease.

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But like most things, moderation is key. Doctors suggest drinking no more than three cups of coffee a day.