A child is 10 years old. The weight is 46 kg. Since birth the child has been gaining excessive weight. The parents are fullbodied. The child has undergone the following tests: carbohydrate tolerance, level of 17-ketosteroids, blood electrolytes, US of adrenal glands, cranium X-ray. The tests revealed no pathologies.The diagnosis of exogenic constitutive obesity has been made. What direction of therapy should be prioritized?