They are healthy fats and help to protect your heart. They maintain the levels of HDL (good) cholesterol while reducing levels of LDL (bad) cholesterol in your blood.
Monounsaturated fatty acids (MUFAs) are a form of fat that is good for you. Unsaturated fats, such as MUFAs and polyunsaturated fats, can be used to replace less healthful fats like saturated fats and trans fats.
Monounsaturated fats are good for your health since they reduce your chances of heart disease and stroke. They also include essential nutrients such as vitamin E, which has antioxidant characteristics and aids in the maintenance and renewal of cells in the body.
Olive Oil, Nuts, etc foods are high in monounsaturated fat.