For years, health experts have had the reputation of being killjoys: They're always reminding us just how many calories are in cheese fries (2,140, in case you were wondering).
Now new research is proving that many things they had said were vices—wine, chocolate, even sleeping in—are actually good for you. This doesn't mean, however, that you can eat bon-bons 24/7 like a Real Housewife gone wild. But you can still enjoy and stay healthy.