Diets to treat obesity have been in existence since Hippocrates treated obesity some 2500 years ago. There are currently a wide variety of diets and a common misconception that a single magical diet can cure overweight and obesity. Systematic reviews and meta-analyses indicate that all diets work when adhered to and that initial weight loss can predict the amount of weight lost and maintained for up to 4 years. Individual preferences are thus key in selecting a diet. There are emerging data pinpointing genetic variability in the metabolic responses to variation in macronutrient intake.
Keywords: Balanced-deficit diets; High-protein diets; Low carbohydrate diets; Low-fat diets; Macronutrients; Mediterranean diets; Very-low-calorie diets; Weight loss.
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