James Stone, MD, PhD (IMAGE) University of Virginia Health System Caption UVA Health's James Stone, MD, PhD, led a study that found repeated blast exposures may harm the brain health of military personnel. Credit UVA Health Usage Restrictions May only be used with coverage of this release License Original 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.