Remember the days when you could eat a pack of donuts and not worry about the aftermath? Well, some of you may still be able to do that but the metabolism rate eventually tries to rule out those sort of sneaky treats . . . and for good reason. The sugar stays the same, but too often, our metabolism rate does not. If you know the basic facts on metabolism, you'll know why donuts aren't always a good thing. Come see how well you know the ABCs on the fat burning subject.