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DOI: 10.1177/1420326X07082730
Review: Indoor Nitrogen Dioxide and VOC Exposures: Summary of Evidence for an Association with Childhood Asthma and a Case for the Inclusion of Indoor Ultrafine Particle Measures in Future StudiesDepartment of Epidemiology, Biostatistics and Occupational Health, McGill University, Montréal (Québec), Canada, Faculty of Medicine, Department of Epidemiology, Biostatistics and Occupational Health, McGill University, 1130 Pine Avenue West, room B10, Charles Meredith House, Montréal (Québec), Canada, H3A 1A3, Tel. 514-398-8419, Fax 514-398-7153, E-Mail sweich{at}po-box.mcgill.ca
Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montréal (Québec), Canada
Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montréal (Québec), Canada Childhood asthma is a complex disease having both genetic and environmental risk factors. As such, it is important to identify indoor exposures that may contribute to asthma symptoms in order to minimise the likelihood of disease onset or exacerbation. Here we summarise epidemiological evidence regarding the potential relationship between indoor nitrogen dioxide, volatile organic compounds (VOCs) and childhood asthma. In general, VOC exposure studies have been more consistent in demonstrating a significant relationship with asthma or related symptoms, and studies of indoor nitrogen dioxide exposure are limited in that most do not control for indoor VOC exposures. Therefore, when possible, future studies should include both types of exposure measures as well as those for other potential risk factors such as ultrafine particles that have been shown to contribute to airway inflammation.
Key Words: Review Nitrogen dioxide VOCs Asthma
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