They contain as much fat as a fast-food double cheeseburger, but it's mostly in the form of good-for-you monounsaturated fat. Adding avocados to your diet can significantly lower unhealthy LDL cholesterol and other blood fats. Plus: Eat Healthy Fats to Lose Weight
Who knew? Half the fat in chocolate comes from healthy monounsaturated fats. However, only dark chocolate contains a high concentration of heart-healthy antioxidants, which lower blood pressure and protect the heart in other ways.
Seafood is the best source of omega-3 fatty acids, which are probably the best fat of all for your cardiovascular system and all-around health. Two weekly servings of fish (preferably oily varieties like salmon and Atlantic mackerel) can cut the risk of heart attack by up to 36 percent.
Rich in monounsaturated fats, olives and olive oil -- especially the latter -- are cornerstones of the Mediterranean diet, which many studies show protects the heart and appears to fight diabetes. Canola and peanut oils are good choices, too.
A daily serving of peanut butter could cut the risk for type 2 diabetes by 21 percent. Meanwhile, studies have shown that munching on nuts every day may lower the threat of heart attack by an incredible 35 percent. Plus:15 Healthy Low-Calorie Snack Alternatives