When did you realize that you need to lose weight? Regarding the definition of obesity, in addition to the commonly used BMI index, it is necessary to combine various parameters of the body in order to determine it. However, for the average person, basically not many people will always measure their body fat percentage and other data. From the appearance alone, what is considered the time to lose weight? A small belly is an important reminder. When the small belly began to highlight, prove that this period of your life in a certain part, may be the diet may also be the work and rest time on the bad changes to cause the body into the early stage of obesity. At this time, if not corrected, the speed of obesity will be faster and faster, an uncontrollable. So the best time to lose weight is just the beginning. What is the impact of a small belly on health? First of all, the accumulation of visceral fat will lead to impaired organ function in the body, fatty liver is a good example; secondly, abdominal obesity is easy to produce insulin resistance, which leads to type 2 diabetes. Therefore, regarding the treatment of various obesity-associated diseases, weight loss is also a good way. Bariatric surgery is a weight loss and sugar reduction method with weight loss as a short-term goal and treatment of the disease as a long-term goal. Generally obese people who go through this surgery lose 60-80% of their excess body weight in one year on average, while diabetic patients are able to achieve stable sugar reduction through this surgery, both in terms of weight loss and sugar reduction, both of which can basically be maintained in a healthy standard range in the long term.