Oil is essential in cooking, but there are so many types of oils to choose from. Which is the best oil to use and which is healthier? What are the health benefits of oils and how do you use the oil properly? Oils are categorized into three types based on their most prominent fatty acids present in the oil. There are monounsaturated, polyunsaturated, and saturated fats. You may have heard of some of these but what do they really do? Learn more in the video below.