We exercise for many reasons, from the short-term hit of endorphins to the long-term promise of healthier aging. Can one of them be protection from higher mortality risks during periods of high pollution?

Bike commuting is increasing in popularity even in car-dominated North America, driven by the e-bike boom and awareness of the climate emergency. Does your choice of commuting routes affect your exposure to air pollution from traffic?

Whether it's living in a mega-city or during wildfire season, pollution can seriously affect both our health and performance. Why is pollution often worse during summer, and what are ways to exercise in a healthy way?