Normally, obesity is a complex disease that is caused by various factors. Obesity is not simply due to lack of willpower but may arise due to a combination of genetic, cultural, environmental and lifestyle factors. However, it is possible to lose such weight through minimally invasive weight loss surgery. Through the minimally invasive methods, you lose such fats without visible scars. There are various techniques used such as gastric banding and gastric gastrostomy which are advanced approaches where the surgeon uses a single entry point on the belly button.