It depends on your reasons and your condition. If you are perfectly healthy and undergoing plastic surgery is just for mere vanity, that is generally not advisable. But if you are obese and you cannot control your hunger pangs as a result of your health condition, surgery may become necessary. For example, many people who are morbidly obese are advised to undergo bypass operation. This will help them eat less and eventually lose weight. But if your physique is still considerably normal, you should just opt for physical exercises and diet plans. Besides, you may easily gain back any extra pounds that you will lose through surgery. In the case of liposuction for example, there is nothing really that changed in terms of your hunger pangs and your metabolic rate. If you continue the same lifestyle after surgery, you will again gain back the weight you just lost. Therefore, the Best Way to Lose Weight is still the classic and natural way.