Avocados are tropical fruits that grow on the avocado tree, which is native to Mexico. They belong to the family Lauraceae. While most fruits have a low fat content and a high sugar content, avocados contain a great deal of monounsaturated fat, which is the healthy type of fat. About 85 percent of the avocado’s total calorie count can be attributed to fat calories. While fatty foods often have dieters running in the other direction, include avocados in your meal plan to reap the benefits of these healthy fats, which offer anti-inflammatory properties and a reduced risk of heart disease. It also helps your digestive tract absorb carotenoids and other fat-soluble nutrients.