Megan Muncy, Bariatric Surgery Patient (IMAGE) Nationwide Children's Hospital Caption Megan Muncy, 16, has lost more than 130 pounds since her gastric bypass surgery in 2009. Credit Nationwide Children's Hospital Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.