Bob Greene Reveals the Ways You're Sabotaging Your Workouts

You're Counting Bars and Sports Drinks as "Energy" Instead of Food

You may not realize that the high-carb energy bar you stashed in your gym duffel has 250 calories. Bob says it can take as much time and effort to work off one of these sports snacks as a candy bar. Adjust your total calorie consumption and your workout time—or eat half the bar.