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Trans Fats: The Science and the Risks

This man-made fat was developed to protect us against butter. Turns out, it acts like butter inside our bodies.

Are All Fats Bad?

Not at all. Polyunsaturated and monounsaturated fats -- found mainly in canola, olive, and peanut oils -- can result in less LDL and more HDL production in the body, says Boston-based community nutritionist Dana Greene, MS.

"That's a good thing," Greene says. But we should still limit our daily fat intake to 30% or less of our daily calories, she stresses. Her advice? "Choose heart-healthy fats including nuts, avocado, peanut butter, and trans-fat-free margarines such as Promise and Smart Beat."

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Reviewed on July 06, 2006

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