Parminder Raina (IMAGE) McMaster University Caption Parminder Raina, a professor in the Department of Health Research Methods, Evidence, and Impact and scientific director of the McMaster Institute for Research on Aging Credit McMaster University Usage Restrictions none 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.