Ronald Cowan, Vanderbilt University Medical Center (image) Vanderbilt University Medical Center Share Print E-Mail Caption Ronald Cowan, M.D., Ph.D., and colleagues report in the May issue of Neuropsychopharmacology that recreational Ecstasy use is associated with a chronic change in brain function. Credit Vanderbilt University Usage Restrictions Please credit Vanderbilt University. Share Print E-Mail 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.