Unsaturated fat is by far the healthier of the two types of fats. In fact, some unsaturated fats can actually help you improve your overall health, lower your risk of developing certain diseases, and, the studies above have shown, help you lose weight.

Unfortunately, one must pay close attention to the type of unsaturated fat he or she eats. Yes, even within the unsaturated category, there are several types of fats.

First lets examine monounsaturated fat. Unlike saturated fat, monounsaturated fat remains liquid at room temperature. Only if you place it in the refrigerator for an extended period will you find that it begins to solidify.

Oils rich in monounsaturated fat include olive, peanut and canola. You can also find monounsaturated fat in nutritious foods such as avocados and nuts.

That brings us to the next category of unsaturated fat: polyunsaturated. You can recognize polyunsaturated fats because they remain in a liquid state regardless of their temperature. Examples of such fats are the oils from corn, safflower, sunflower, soy and cottonseed