(IMAGE) McGill University Health Centre Caption This is Dr. Deborah Da Costa, researcher in the Division of clinical epidemiology at the Research Institute of the McGill University Health Centre and associate professor in the Department of Medicine at McGill University. Credit McGill University Health Centre Usage Restrictions None 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.