Obesity is a worldwide epidemic, affecting children, young individuals, and adults. Obesity is defined as having a BMI of 30 or more. Bariatric surgery is an optional method for a weight reduction. Bariatric surgery is advised to the individuals with high BMI >40. Bariatric surgery is recommended to the patients who is severally overweight and who have a serious weight-related health problems, such as high blood pressure, type 2 diabetes or severe sleep apnea.