With the development of the network era, the actual meaning of many things in reality has also changed. For example, we are familiar with the “smile”, we used to chat online with “smile” emoticon meaning is generally positive, more affable. The actual fact is that this is a very good way to get the most out of your life. In the process of weight loss, in fact, many people have also been obese “smile” warning, it is obesity in the “smile curve”. By the figure can be seen, this is in the process of weight loss at the beginning can see the obvious effect of weight loss, weight loss, but with the passage of time, to the back of the weight rebounded, and returned to the obese queue. This is like obesity and your body opened a joke, give you a big “smile”. In fact, the so-called “obesity smile curve” has another more lovely name, called “yo-yo effect”. So, generally under what circumstances will be subject to obesity “smile taunt”? Starvation dieting is a way to lose weight that is more likely to result in weight rebound. Because excessive dieting leads to the body can not adapt to the sudden changes, the body even to maintain the normal functioning of the nutrition are not enough, in such a premise even if the initial weight loss, but in the later is also very easy to gain weight. Therefore, the phenomenon of rebound in weight loss reminds us that we need to lose weight in moderation, not for the sake of speed and extreme ways to lose weight. If you still fail to lose weight with conventional methods it is recommended to know about weight loss surgery, in recent years there have been more and more obese people choosing this type of surgical weight loss.