“Good” fats include monounsaturated fats, found in olive and canola oils, peanuts and other nuts, peanut butter, and avocados. Monounsaturated fats lower total and “bad”LDLcholesterol – which accumulates in and clogs artery walls–while maintaining levels of “good”HDLcholesterol, which carries cholesterol from artery walls and delivers it to the liver for disposal.
“Bad” fats include saturated fats – the heart-clogging kind found in butter, fatty red meats, and full-fat dairy products. “Very bad” fats are the manmade trans fats. Trans fats, which are created when hydrogen gas reacts with oil, are found in many packaged foods, including margarine, cookies, cakes, cake icings, doughnuts, and potato chips. Trans fats are worse than saturated fats; they are bad for our blood vessels, nervous systems, and waistline.