Stupid (Aging) Fats: Trans Fat: This is the fat that contains hydrogenated vegetable oil. It’s the worst kind of fat and will stunt weight-loss efforts. Trans-fatty acids are in all kinds of food-especially when long shelf life is important-from buttered popcorn and cookies to chips and margarine. Bottom line: Say no. Stay away from them the way you’d avoid highways on the day before Thanksgiving.
Super (Youthful) Fats: Monounsaturated Fats: They come in two forms: omega-3 fatty acids and omega-6 fatty acids, in the form of fish (3s) and nut oils (3s and 6s). The omega-3s have been shown to improve arterial and brain function. They’re found in olive oil, canola oil, fish oils, flaxseeds, avocados, and nuts (especially walnuts). They’ve also been shown to reduce blood pressure and lipid levels when used in place of carbohydrates. Bottom line: Make about 30 percent to 40 percent of your fats the monounsaturated variety.
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