Many people don't know it, but fat is a significant energy source and a crucial part of a healthy diet. In addition, certain types of fat — such as omega-3s and monounsaturated fatty acids — have heart health benefits. One of the best ways to improve the quality of your fat intake is to make simple substitutions, like replacing the bacon bits on your salad with pieces of avocado. Watch this video to learn how to consume the "good" fats while reducing your saturated fat intake.