You also can’t eat all the low fat or no fat food you want, and expect to lose or even to maintain your weight. Low fat diets generally don’t work, mostly because it’s way too easy for you go into feeding frenzy and binge, because you’re just way too hungry. Your calories on a low fat diet get to stupid, way too quickly too. The average bagel is 300-400 calories. You can’t start the day with a big glass of orange juice (600 calories), and half a dozen bagels (at least 1800 calories) and expect to lose weight. You are eating, as near as makes no difference, no fat – but on carbohydrate-loaded low fat diet, calories count with a vengance. Snackwell and other diet cookies are equally stupid. Fat free cookies take your calories to insanity, and besides most patients eat 12 Snackwells instead of 6 Oreos, so there’s no savings.