Affiliation: Health Canada
- Estimating risk of emergency room visits for asthma from personal versus fixed site measurements of NO2Scott Weichenthal
Air Health Effects Science Division, Health Canada, Ottawa, Canada Department of Environmental and Occupational Health, University of Montreal, Montreal, Canada Electronic address
Environ Res 137:323-8. 2015..We examined the impact of data source and exposure measurement error for ambient NO2 on risk estimates derived from a case-crossover study of emergency room visits for asthma in Windsor, Canada between 2002 and 2009...
- Characterizing the impact of traffic and the built environment on near-road ultrafine particle and black carbon concentrationsScott Weichenthal
Air Health Science Division, Health Canada, 269 Laurier Ave West, Ottawa, Ontario, Canada K1A 0K9 Electronic address
Environ Res 132:305-10. 2014..We examined the relationship between near road UFPs and several traffic and built environment factors to identify predictors that may be used to estimate exposures in population-based studies. Black carbon (BC) was also examined...
- A randomized double-blind crossover study of indoor air filtration and acute changes in cardiorespiratory health in a First Nations communityS Weichenthal
Health Canada, Health Canada Air Health Effects Science Division, Ottawa, ON, Canada
Indoor Air 23:175-84. 2013..Consistent inverse associations were also observed between indoor PM2.5 and lung function. In general, our findings suggest that reducing indoor PM2.5 may contribute to improved lung function in First Nations communities...
- PM2.5, oxidant defence and cardiorespiratory health: a reviewScott A Weichenthal
Health Canada, Air Health Effects Science Division, Ottawa, Canada
Environ Health 12:40. 2013..Therefore, further evaluation is required to determine how this metric may be incorporated in ambient air quality management...
- Personal exposure to specific volatile organic compounds and acute changes in lung function and heart rate variability among urban cyclistsScott Weichenthal
Health Canada, Air Health Sciences Division, Ottawa, ON, Canada
Environ Res 118:118-23. 2012..Few studies have examined the acute cardiorespiratory effects of specific volatile organic compound (VOC) exposures from traffic pollution...
- Selected physiological effects of ultrafine particles in acute cardiovascular morbidityScott Weichenthal
Health Canada, Air Health Effects Science Division, 269 Laurier Avenue West, 3rd Floor, AL 4903C, Ottawa, ON, Canada K1A 0K9
Environ Res 115:26-36. 2012..In addition, effort should be made to include more women in studies of the acute cardiovascular effects of UFPs as findings to date generally reflect responses in men...
- A review of pesticide exposure and cancer incidence in the agricultural health study cohortScott Weichenthal
Cien Saude Colet 17:255-70. 2012..Continued follow-up is needed to clarify associations reported to date. In particular, further evaluation of registered pesticides is warranted...
- A review of pesticide exposure and cancer incidence in the Agricultural Health Study cohortScott Weichenthal
Health Canada, Ottawa, Ontario, Canada
Environ Health Perspect 118:1117-25. 2010..We reviewed epidemiologic evidence related to occupational pesticide exposures and cancer incidence in the Agricultural Health Study (AHS) cohort...
- Traffic-related air pollution and acute changes in heart rate variability and respiratory function in urban cyclistsScott Weichenthal
Air Health Sciences Division, Health Canada, Ottawa, Canada
Environ Health Perspect 119:1373-8. 2011..Few studies have examined the acute health effects of air pollution exposures experienced while cycling in traffic...
- A web-based route planning tool to reduce cyclists' exposures to traffic pollution: a case study in Montreal, CanadaMarianne Hatzopoulou
McGill University, Department of Civil Engineering, Montreal, Quebec, Canada
Environ Res 123:58-61. 2013..1 ppb for a single trip. Cumulative exposure levels (ppb km) decreased by approximately 4%. In general, the benefits of decreased exposure could be achieved with little increase (less than 1 km) in the overall route length...
- The impact of traffic volume, composition, and road geometry on personal air pollution exposures among cyclists in Montreal, CanadaMarianne Hatzopoulou
Department of Civil Engineering, McGill University, Montreal, Quebec, Canada
J Expo Sci Environ Epidemiol 23:46-51. 2013..Further evaluation is required, however, as the impact of separate cycling lanes and/or traffic counts on personal exposures may vary between regions...
- Bayesian estimation of the probability of asbestos exposure from lung fiber countsScott Weichenthal
Department of Epidemiology, Biostatistics and Occupational Health, McGill University, 1020 Pine Avenue West, Montreal, Quebec, H3A 1A2, Canada
Biometrics 66:603-12. 2010....
- Determinants of ultrafine particle exposures in transportation environments: findings of an 8-month survey conducted in Montréal, CanadaScott Weichenthal
Department of Epidemiology, Biostatistics and Occupational Health, Faculty of Medicine, McGill University, Montreal, Canada
J Expo Sci Environ Epidemiol 18:551-63. 2008..65) and automobile (r=0.77) routes. Further research is required to incorporate variables such as traffic density and vehicle ventilation settings into the models presented...
- Metal composition of fine particulate air pollution and acute changes in cardiorespiratory physiologySabit Cakmak
Population Studies Division, Environmental Health Science and Research Bureau, Health Canada, 50 Columbine Driveway, Ottawa, Ontario K1A 0K9, Canada Electronic address
Environ Pollut 189:208-14. 2014..Studying the physiologic effects of components of fine particulate mass (PM2.5) could contribute to a better understanding of the nature of toxicity of air pollution...
- In-vehicle exposures to particulate air pollution in Canadian metropolitan areas: the urban transportation exposure studyScott Weichenthal
Air Health Science Division, Health Canada, Ottawa, Ontario K1A 0K9, Canada
Environ Sci Technol 49:597-605. 2015..Our findings suggest that vehicle commuters experience increased exposure to air pollutants and that traffic characteristics, land use, road types, and meteorology are important determinants of these exposures. ..
- Pesticides and childhood cancer: an update of Zahm and Ward's 1998 reviewClaire Infante-Rivard
Department of Epidemiology, Biostatistics, and Occupational Health, Faculty of Medicine, McGill University, Montreal, Quebec, Canada
J Toxicol Environ Health B Crit Rev 10:81-99. 2007....
- Statistical power in the analyses of brain weight measures in pesticide neurotoxicity testing and the relationship between brain and body weightScott Weichenthal
Health Canada, 269 Laurier Avenue West, Ottawa, ON, Canada
Regul Toxicol Pharmacol 57:235-40. 2010..Our findings suggest that caution is required when weighing the importance of statistical "significance" in studies of pesticide exposure effects on brain weight as the power to detect these differences may be low...
- Long-term exposure to fine particulate matter: association with nonaccidental and cardiovascular mortality in the agricultural health study cohortScott Weichenthal
Health Canada, Air Health Sciences Division, Ottawa, Ontario, Canada
Environ Health Perspect 122:609-15. 2014..Few studies have examined the relationship between long-term exposure to ambient fine particulate matter (PM2.5) and nonaccidental mortality in rural populations...
- Obesity and the cardiovascular health effects of fine particulate air pollutionScott Weichenthal
Health Canada, Air Health Sciences Division, Ottawa, Ontario, Canada Department of Occupational and Environmental Health, University of Montreal CHUM and Cité de la santé de Laval, Quebec, Canada
Obesity (Silver Spring) 22:1580-9. 2014..This review examines evidence related to the potential impact of obesity on the cardiovascular health effects of fine particulate air pollution (PM₂.₅)...