Time: 4 p.m. Location: Your desk Stomach: Growling When afternoon hunger hits at work, and it always does, it can be tough to resist the siren call of the vending machine and all of the cookies, chips and candy bars stocked there. So how do you? Two words: Plan ahead. By bringing your own healthy snacks to work, you can avoid those high-fat, high-calorie treats and stay satisfied until dinner. A perfect snack should be less than 180 calories, high in protein and low in saturated fat ...