Bariatric surgery results can vary greatly according to St. Louis bariatric surgeon, Dr. Van Wagner. Dr. Wagner explains that weight loss surgery is a tool and not a miracle. In order for weight loss surgery to work, an individual needs to make life style changes. Weight loss surgery can fail but through a healthy diet and exercise an individual can achieve success with weight loss surgery. For more information about weight loss surgery, please visit http://www.hoab.org.