"Calories in versus calories out" has become a sort of one-size-fits-all mantra for those wanting to fit into that one-size-too-small dress. This widespread theory has bred a generation of calorie-counting devotees that can rationalize eating anything as long as they keep below their daily calorie limit-or put in extra time at the gym.
Out of the calorie-obsessed culture sprouted the uplifting idea of "everything in moderation," which may have started as a way to help people feel less obsessed with food, but has spiraled into a free pass to "treat yourself" to a supersized ice cream sundae every week.
What's the Deal?
"Caloric theory is woefully inadequate and dramatically incomplete," says Marc David, an expert in nutritional psychology and