But monounsaturated fat and polyunsaturated fat are the good kinds of fat, which are found in plant-based foods and oils. These fats can help improve cholesterol levels and reduce the risk of heart disease. One type of fat, omega-3 fatty acids, are especially beneficial for heart health.lick here to see the 10 Foods with Healthy Fats (Slideshow). Foods contain several different kinds of fat — and some are better for you than others. Some fats even help promote good health.