Down some water before a meal and you won't feel so famished, says David Anthony, an information technology consultant from Atlanta. "Drinking a glass of water before a meal helps me watch what I eat. … I don't just hog everything, since I'm not so hungry."Magee, who also writes the "Healthy Recipe Doctor" blog for WebMD, adds that for the compulsive snacker it's a great idea to keep no-calorie beverages at hand "as a way to keep your mouth busy and less likely to snack on junk food."Going to a party? Grab a low-cal drink in one hand and keep it there. Not only does it make it harder to graze the buffet, but you'll also be less tempted to sip endless cocktails, too.Finally, keeping your body refreshed with plenty of water may also help your workout, says Anthony. Staying hydrated means "I can exercise more, and longer, than if I don't drink water."