Josh Denny, Vanderbilt University (IMAGE) Vanderbilt University Medical Center Caption This is Vanderbilt's Josh Denny, M.D., M.S. Credit Photo courtesy of Vanderbilt University Usage Restrictions Photo courtesy of Vanderbilt University 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.