Philip Joseph, McMaster University (IMAGE) McMaster University Caption Population Health Research Institute investigator, associate professor of medicine at McMaster University and a cardiologist with Hamilton Health Sciences. Credit Population Health Research Institute 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.