We could all be eating less carbohydrates, right? That's probably a given. But those who have heard this message over and over and are now cutting out all carbs, you're likely depriving your body of necessary fuel for workouts and for brainpower. Without some good carbs, you'll be sluggish, foggy and generally feel like crap. That's why celebrity trainers like Gregg Miele and superhero stuntmen like Bobby Holland Hanton have stressed the importance of eating the right carbs at the right time.