Therapeutic effects of obesity disease (obesity as a disease) are determined by the weight reduction, decrease of visceral fat and improvement of comorbidities. Evaluation criterion of therapeutic effect is determined a decrease of more than 3% weight reduction, because improvement of comorbidities in obesity, especially visceral obesity, is observed in the weight loss of more than 3%. In obesity more than 30 in BMI or morbid obesity, it is necessary to weight reduction more than 5%.