Many of them are older than the buses tested in the recent study, and likely produce even higher levels of soot. Children may be especially susceptible to breathing problems from air pollution. The Portland Oregonian describes research at the University of Washington in Seattle. Get Your Medifocus Medguide Research Your Illness Visit our Medcenter and get your Medifocus Guide , trustworthy medical information specifically about your health condition. Bookstore Stop by our bookstore and catch up on the latest treatments and remedies for your illness.
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