When you're sidelined by injury your natural reaction should be to cut back on calories until it's time to return to training - and burning energy. But the healing process demands fuel, too. "It's like fixing a house," says sports dietitian Cynthia Sass. "A crack in the foundatio...

."Milk is good for you, but there's a time and place for it," explains Robert Kunz, of endurance-specific sports nutrition company First Endurance. Here, we explain where and when dairy does your body good.Myth 1: Dairy helps you lose weightThe truth A clinical

. Brewed coffee contains just two calories per cup, so it doesn't provide the energy muscles need after exertion, but adding low-fat milk and sugar contributes calories, and the calcium and vitamin D improve its nutritional profile. And coffee contains

If you skimp on protein your body will borrow it from muscle to meet its needs, undermining the fitness you've worked so hard to achieve. "Getting enough protein protects your lean mass," says Roberta Anding, a sports dietitian and spokesperson for the American Dietetic Associati...