Cohort Study: Poor Air Quality Does Not Offset Exercise’s Heart Benefits

Effects of Leisure‐Time and Transport‐Related Physical Activities on the Risk of Incident and Recurrent Myocardial Infarction and Interaction With Traffic‐Related Air Pollution: A Cohort Study – Journal of the American Heart Association (free)

Commentaries: Poor air quality does not offset exercise’s heart benefits – AHA/ASA Newsroom (free) AND Why smog should not be your excuse to skip workouts – Reuters (free)