By "diet," we mean the conscious restriction of the amounts or kind of foods you're allowed to eat for the express purpose of losing weight. A diet is something that you go on when you want to change your body, and go off once you've reached a certain goal. Though we certainly do endorse consuming a wide variety of healthful foods, paying attention to portion sizes, and thinking twice before eating a lot of foods that are high in calories but low in nutrition, we don't recommend following any kind of plan that tells you what, how much, and how often you should eat, without regard for your body's hunger and satiety signals. And we definitely don't recommend any eating plan that you go on and then go off.
Although it may sound surprising, the negative effects of dieting also hold true even if you aren't following a formal diet but still think like a dieter. If you count grams of fat, opt for high-protein foods while shunning carbs, rely on "safe" foods, beat yourself up for eating "bad" foods, consciously or unconsciously undereat (which can trigger overeating later), use diet soft drinks or coffee to quell your hunger, or decide what you can eat based on what you've already eaten today, you're dieting.
Next: The Physical and Psychological Effects of Dieting
