Before you get angry, no, this study is not saying that air pollution wipes out the benefits of all exercise. It is instead showing that in very specific circumstances, exposure to traffic pollution may lessen some of the positive effects of a gentle stroll for elderly people. Even that, however, is not clear. Published in The Lancet, the study led by Imperial College London and Duke University in North Carolina looked at the effects of short-term exposure to traffic exhaust on busy city streets, such as in London. In the study, 119 people over the age of 60 were asked to take part. They were eitherRead More →