How effective are portion-control diets?

Studies have shown that portion control diets result in significant weight loss that is maintained over five years for fewer than three people out of 100. These diets are doomed to fail because they do not satisfy our biological need for nutrients, and we continue to crave more calories than we actually require. In addition, these diets reinforce the low-nutrient eating that we now know causes most medical problems in modern countries.

They are founded on weak science and perpetuate nutritional myths. To become healthy, disease-proof, and permanently thin, you can't escape the necessity of eating large amounts of nutrient-rich, healthy food.

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