Parameswaran Nair (IMAGE) McMaster University Caption Parameswaran Nair, a respirologist at St. Joseph’s Firestone Institute for Respiratory Health, and co-author of the research. Credit St Joseph's Healthcare Hamilton Usage Restrictions Editorial use only 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.