Mon Oct 4, 5:52 PM ET Health - AP

By The Associated Press

There are three types of fat in foods:

Monounsaturated fats - found in olive oil, peanut oil, canola oil,avocados and most nuts.

Polyunsaturated fats - found mainly in vegetable oils such as safflower,corn and canola oil, and fatty fish such as salmon and tuna. Liquid atroom temperature.

Saturated fats - found chiefly in animal sources, such as meat and poultryand dairy products, and some vegetable oils such as coconut and palm oil.Usually solid at room temperature.

Source: Annals of Internal Medicine