Salim Yusuf, McMaster University (IMAGE) McMaster University Caption Salim Yusuf, executive director of Population Health Research Institute and professor of medicine at McMaster University. Credit Hamilton Health Sciences Usage Restrictions To be used with stories about this research 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.