Many people are not really fat or overweight, but they seem to be overweight due to fat in the knees, thighs, buttocks, abdomen, chin, cheeks. This fat cannot be reduced even after a daily exercise, it gives an ugly look to the person.

In 1980 a surgical procedure was developed to solve this problem. Surgical procedure is not substitute of proper diet or exercises, it is only solution of the previous resort. It involves risks like other surgery processes.

Liposuction is a process in which tubes are put in the target skin by making small opening and fat is taken out through the tubes. This process does not take a long period of time. If the volume of the fat is large then it may take an overnight stay in the hospital. This is usually done under local anesthesia.

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Diabetes patient and person with surgical issues should not employ liposuction. Person who is applying liposuction surgery should not be overweight and must have an elastic skin. It is suggested by plastic surgeons that diet for weight loss and exercises should be preferred before liposuction. Though liposuction removes unnecessary fats which are not removable by exercise and diet control, it should not be considered as substitute.

Liposuction surgery is a process to remove fatty tissues from a small area, it is not considered to be best one for an overweight people. For then there are other surgery like bariatric surgery, gastric bypass also known as obesity surgery.

In Gastric Bypass surgery digestive system of the person is changed. Stomach and part of the small intestine is bypassed which leads to entrance of food in the lower part of the small intestine. With the help of this arrangement quantity of food eaten and digested is reduced. Person whose weight is above 100 lbs should prefer Gastric Bypass operation for substantial weight loss.

This is not preferred for everyone who is suffering from obesity. There is risk involved in this process. It changes the entire structure of the body permanently therefore it is necessary to change the lifestyle by the patient. So patient should understand the changes to be involved in there lifestyle after gastric surgery to have full benefit of the surgery.