Dr. Gillian Booth, St. Michael's Hospital (IMAGE) St. Michael's Hospital Caption The benefits of living in a walkable neighborhood could be diminished by increased exposure to traffic-related air pollution, suggests a study led by St. Michael's Hospital researchers Nicholas Howell and Dr. Gillian Booth (pictured), and ICES. Credit St. Michael's Hospital 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.