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Understanding Dietary Fats

Getting good dietary fat in your diet while eliminating the unhealthy fats can help lower high cholesterol — and still allow you to enjoy your food.

By Diana Rodriguez

Medically reviewed by Christine Wilmsen Craig, MD

To stay healthy and lower your heart disease risk and high cholesterol levels, you don't have to eliminate all dietary fats. There is such a thing as good fat that actually reduces high cholesterol and keeps your heart healthier. It's just a matter of knowing which dietary fats are which, and how to replace bad fat with good fat.

High Cholesterol Alert: The Bad Fats

• Saturated fat. This type of fat (along with trans fats) is what leads to high cholesterol caused by diet. This is an unhealthy fat found in animal products like beef, lamb, pork, butter, cheese, cream, and other whole-milk dairy products. Certain plant oils, like coconut oil, also contain saturated fat.
• Trans fats and hydrogenated fats. Trans fats and hydrogenated fats are dietary fats created when processed, fattening ingredients like margarine and shortening are made. Many processed foods, commercially prepared baked goods, and fried foods contain trans and hydrogenated fats, which lead to high cholesterol.
• Cholesterol. Cholesterol is actually a fat-like material that we get in our diet by eating chicken, beef, pork, eggs, and whole-milk dairy products — many of the same foods that contain saturated fats. Limiting intake of foods with high cholesterol content boosts heart health and lowers cholesterol.

High Cholesterol Alert: The Good Fats

• Polyunsaturated fat. This unsaturated fat is found in healthy, cholesterol-lowering foods like flaxseeds, sunflower seeds, and walnuts. Omega-3 fats are a type of polyunsaturated fat. You can bulk up on this good fat by eating fish two to three times a week; try great sources like salmon and mackerel. Plant oils are also a good source of polyunsaturated fats (sunflower, corn, and soybean oils).
• Monounsaturated fat. This unsaturated fat is found in certain plant oils, such as olive and canola oils. You can also get this good fat in your diet by eating nuts (such as pecans, almonds, hazelnuts), seeds (including pumpkin and sesame) and avocados.

High Cholesterol Alert: Making Changes to Your Diet

It's not just about what you eat, but how you cook it. If you have high cholesterol, make these smart and delicious changes to your meals to satisfy your heart and your appetite.

• Get butter out of the pan. Cooking with canola, olive, soybean, flaxseed, and sunflower oil instead of butter or margarine is a good place to start switching from bad to good fats in your diet.
• Ditch the beef. Replace beef burgers with grilled turkey burgers; replace steak with lean skinless chicken breasts.
• Choose fish. Salmon is a healthy, rich, and delicious alternative to meat, especially for people with high cholesterol.
• Snack crunchy, not greasy. Snack on nuts instead of potato chips; apples and carrots also make great crunchy snacks.
• Add avocado. It's a satisfying meat alternative for sandwiches and wraps, and a tasty topping for salads.
• Slim down your dairy. When drinking milk or eating dairy products like cheese and cream, look for low-fat or non-fat versions.
• Enjoy egg whites. The yolks contain a lot of cholesterol, so to enjoy a delicious dish without it, whip up an egg-white-only omelet. Add some fresh herbs, vegetables, low-fat cheese, or avocado for an even better taste.