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22 June 2010 5:00 PM | Tagged: vancouver general hospital
NEW YORK Kids who grow up with a dog in the house may be at higher risk of developing asthma if they're also exposed to secondhand smoke or nitrogen dioxide, new research shows.Children exposed to the toxic gas and to dog allergen during their first year of life were nearly five times as likely to have asthma at age 7 compared to kids with neither exposure, while dog allergen plus secondhand sm