The right fats can make you healthier, happier, and smarter; the wrong fats can increase your risk for cancer, diabetes, heart disease, and other serious diseases. But how do you know which fats are the right ones and how much to consume, especially when the news seems to change as fast as the latest diet fads? Research is ongoing, but new studies and recent guidelines reveal just how important it is to choose not only the right fats, but also the right quantities for you and your family.