Air pollution from traffic hinders the heart's ability to conduct electrical signals, a study has suggested.
- BBC News: Pollution 'hinders heart pacing'
Judy O'Sullivan of the British Heart Foundation said: "It has been established for some time that exposure to high levels of air pollution can exacerbate symptoms in people with heart and circulatory disease.
"Our advice to heart patients is to avoid prolonged exposure to high levels of air pollution."
I'm not really sure where they expect you to go however...
[via Car Free Tokyo]