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In this seminar, an update of the Ontario Environment and Health Study (OEHS) will be provided. The OEHS is a breast cancer case-control study in Ontario women, aged 18-44 years. In this study, blood and urine were collected to measure biomarkers of exposure to PBDE and OP flame retardants. As part of the overall exposure assessment strategy, a database of PBDE in foods and supplements was developed to assess dietary exposures and a subsample of participants was selected to provide household (air, dust, and electronic products) and personal exposure measures. The development of the exposure assessment methods will be described and early results of the work presented, along with preliminary estimates of the associations between serum biomarkers and the risk of breast cancer.
Presenter: Dr. Shelley Harris
Dr. Shelley Harris is an Associate Professor in Epidemiology and Occupational and Environmental Health in the Dalla Lana School of Public Health at the University of Toronto. She is appointed as a Scientist in Population Health and Prevention at Cancer Care Ontario and the Occupational Cancer Research Center. She has a PhD in Epidemiology from University of Toronto, an MSc in Toxicology and BSc in Environmental Biology and International Agriculture from the University of Guelph.
Her active research includes the development of methods to measure and predict exposures for large-scale epidemiologic studies and developing methods to estimate human exposures to persistent contaminants using biological markers. She has been funded by the WSIB, MOL, CIHR, Health Canada and Canadian Cancer Society to investigate associations between environmental and occupational exposures and risks of colorectal, bladder, kidney, breast, and hematologic cancers.
The Occupational and Environmental Health Seminar Series is a self-approved group learning activity (Section 1) as defined by the Maintenance of Certification program of The Royal College of Physicians and Surgeons of Canada. The series is also approved by Council of Professional Experience for professional development hours (PDHs) for members of the Canadian Institute of Public Health Inspectors (CIPHI), and by the Canadian Registration Board of Occupational Hygienists (CRBOH) for Registration Maintenance (RM) points. For more information, please contact Elaina MacIntyre (email@example.com).
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