There are millions of weight loss methods, to choose a weight loss method, not to see which people with good reviews more of those, the main thing is to prefer the right one for yourself. Effective weight loss is less harmful at the same time. Sleeve gastrectomy (gastric reduction), for super obese patients to lose weight. Sleeve gastrectomy (gastric reduction) is a hot scientific weight loss method in recent years. Gastric reduction is is a minimally invasive surgery. Through surgery to reduce the size of the stomach, change the volume of the stomach, reduce food intake to achieve the effect of weight loss, is a kind of you can not control your only mouth, let the doctor to help you control your stomach. Obesity not only affects the aesthetic appearance, but also is a disease of fat metabolism disorder; in 1997, the International Health Organization (WHO) recognized obesity as a disease; obesity can cause diabetes, hypertension, fatty liver, sleep apnea syndrome, polycystic ovary syndrome and many other metabolic diseases; for people with bmi over 32, weight loss surgery is the only long-term effective way to lose weight. Body mass index (bmi) is an important indicator to assess the degree of obesity: bmi = weight (kg)/height BMI = weight (kg) + height (m2).