"Exhaust-ing Ride for Cyclists: Air Pollutants Trigger Heart Risk"

"In big cities around the world, cyclists breathe an array of pollutants from exhaust-spewing cars. A new study has now found a link between cycling on high traffic roads and heart risks. Even healthy cyclists had harmful changes in their heart rates. Experts say cyclists should stick to their two-wheels, however, pointing to simple solutions to reduce exposure."

Brett Israel reports for Environmental Health News July 6, 2011.