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Risk of Cancer Among Ontario Paramedics

This fact sheet summarizes the risk of cancer among Ontario Paramedics in the Occupational Disease Surveillance System (ODSS) based on…

Critical reviews of exposure assessment in carcinogenic hazard identification: the IARC Monographs experience

Daniel R S Middleton, Roland Wedekind, Amy L Hall, Eero Suonio, Nathan DeBono, Roel Vermeulen, Lin Fritschi, Patricia A Stewart,…

Incidence of cardiovascular disease in a cohort of mine workers exposed to ultrafine aluminum powder in Ontario, Canada

Andrew Zarnke, Sarah Rhodes, Nathan DeBono, Colin Berriault, Sandra C Dorman. Am J Ind Med. 2024 Oct;67(10):933-941. Background: A retrospective…

Updating a diesel engine exhaust job-exposure matrix with published measurement data

Stephanie Ziembicki, Tracy L Kirkham, Paul A Demers, Victoria H Arrandale. J Occup Environ Hyg.2024 Oct 3:1-10. Online ahead of…

Surveillance of asbestos related disease among workers enrolled in an exposure registry

Victoria H. Arrandale, Colin Berriault, Chaojie Song, Nathan DeBono, Paul A Demers. Am J Ind Med. 2024 Oct 14. Online…

Risk of opioid-related harms by occupation within a large cohort of formerly injured workers in Ontario, Canada: findings from the Occupational Disease Surveillance System

Nancy Carnide, Jeavana Sritharan, Chaojie Song, Fateme Kooshki, Paul A Demers. ABSTRACTObjective Working-age individuals have been disproportionately affected by the opioid…

Occupational and Environmental Health Seminar Series 2024-2025

The Occupational and Environmental Health (OEH) seminar series is supported by the Dalla Lana School of Public Health, Public Health Ontario, the Occupational…

Risk of Leukemia Among Ontario Workers

This fact sheet summarizes the risk of leukemia among workers in the Occupational Disease Surveillance System (ODSS) based on diagnoses…

OCRC Annual Report 2023-2024

We are pleased to share our annual report, highlighting progress and accomplishments from 2023-2024.  The theme of this report is…

Leukemia Incidence by Occupation and Industry: A Cohort Study of 2.3 Million Workers from Ontario, Canada

Konrad Samsel, Tanya Navaneelan, Nathan DeBono, Louis Everest, Paul A. Demers, and Jeavana Sritharan Abstract: Although a significant body of evidence…

Comparison of internal and external reference populations for occupational cancer surveillance in a cohort drawn from a diverse workforce

Everest L, Tan S, Navaneelan T, Demers PA, DeBono N, Berriault C, Sritharan J. Objectives Prior analyses of the Occupational…

COVID-19 related hospitalization and emergency department visits among Ontario workers

The COVID-19 pandemic had a profound impact on workers and posed challenges for workplace health and safety. Understanding the types…

Female Reproductive Cancers

Background The participation of women in the labour force has increased over time, including those of reproductive age, but the…

COVID-19 infection among Ontario workers based on hospital records

The COVID-19 pandemic had a profound impact on workers and posed challenges for workplace health and safety. Understanding the types…

COVID-19 infection among Ontario workers based on PCR test results

The COVID-19 pandemic had a profound impact on workers and posed challenges for workplace health and safety. Understanding the types…

Respirable crystalline silica and lung cancer in community-based studies: impact of job-exposure matrix specifications on exposure-response relationships

Johan Ohlander, Hans Kromhout, Roel Vermeulen, Lützen Portengen, Benjamin Kendzia, Barbara Savary, Domenico Cavallo, Andrea Cattaneo, Enrica Migliori, Lorenzo Richiardi,…

Occupational patterns of opioid‑related harms comparing a cohortof formerly injured workers to the general population in Ontario,Canada

Carnide N, Feng G, Song C, Demers PA, MacLeod JS, Sritharan J. Objectives: The role of work-related injuries as a…

Radon Resources

All buildings are susceptible to radon and exposure to radon can cause lung cancer. Click the links to learn more…

Risk of chronic obstructive pulmonary disease in a large cohort of Ontario, Canada workers

Sritharan J, Arrandale VH, Kirkham TL, Dakouo M, MacLeod JS, Demers PA. Although several occupational exposures have been linked to…

Firefighter Cancer Research Priorities Workshop Report

The OCRC has released a report on findings from the Firefighter Cancer Research Priorities Workshop. This workshop was jointly hosted…

Exploring sex differences in lung cancer risk among workers in Ontario, Canada’s Occupational Disease Surveillance System

Sritharan JS, Christopher G, Eros FR, Demers PA. Background: While it is well-established that occupational exposures significantly contribute to the risk…

Resources for the Firefighting Community

Due to the long-term risk of firefighting activities, the OCRC is actively involved in firefighter cancer research. This page houses…

Occupational and Environmental Health Seminar Series 2023-2024

The Occupational and Environmental Health (OEH) seminar series is supported by the Dalla Lana School of Public Health, Public Health Ontario, the Occupational…

Advancing Workplace Exposure Surveillance in Canada

Advancing Workplace Exposure Surveillance in Canada presents the proceedings of a workshop hosted by OCRC in March 2023, attended by approximately…

Cancer Risks among Emergency Medical Services Workers in Ontario, Canada

Sritharan J, Demers PA, Eros FR, Berriault C, Dakouo M, Kirkham TL. Objectives Emergency medical services workers, such as paramedics,…

OCRC Report: Occupational Disease Surveillance Program: Reporting on Progress up to 2022

The Occupational Disease Surveillance Program (ODSP) is a program of research led by OCRC that aims to develop systems to monitor patterns…

Strategic Plan | 2023 – 2028

The OCRC has launched our new strategic plan for 2023-2028. We remain committed to enhancing understanding of the health effects…

Video: Occupational Patterns in Opioid-Related Harms Among Ontario Workers

Dr. Victoria Arrandale discusses the challenges and hazards of dealing with e-waste.

Career fire hall exposures to diesel engine exhaust in Ontario, Canada

Chung J, Demers PA, Kalenge S, Kirkham TL. Journal of Occupational and Environmental Hygiene 2020. 17(1):38-46. Firefighters are potentially exposed…

Construction Exposure Profiles | Wood Dust

The construction profiles were created in collaboration with the Ontario Building Trades Council. Similar to the surveillance alerts, these profiles highlight…

Construction Exposure Profiles | Welding Fumes

The construction profiles were created in collaboration with the Ontario Building Trades Council. Similar to the surveillance alerts, these profiles highlight…

Construction Exposure Profiles | Solar Radiation

The construction profiles were created in collaboration with the Ontario Building Trades Council. Similar to the surveillance alerts, these profiles highlight…

Construction Exposure Profiles | Silica

The construction profiles were created in collaboration with the Ontario Building Trades Council. Similar to the surveillance alerts, these profiles highlight…

Construction Exposure Profiles | Paints

The construction profiles were created in collaboration with the Ontario Building Trades Council. Similar to the surveillance alerts, these profiles highlight…

Construction Exposure Profiles | Lead

The construction profiles were created in collaboration with the Ontario Building Trades Council. Similar to the surveillance alerts, these profiles highlight…

Construction Exposure Profiles | Diesel Engine Exhaust

The construction profiles were created in collaboration with the Ontario Building Trades Council. Similar to the surveillance alerts, these profiles highlight…

Construction Exposure Profiles | Asbestos

The construction profiles were created in collaboration with the Ontario Building Trades Council. Similar to the surveillance alerts, these profiles highlight…

Occupational exposure to nickel and hexavalent chromium and the risk of lung cancer in a pooled analysis of case-control studies (SYNERGY)

Behrens T, Ge C, Vermeulen R, et al. Occupational exposure to nickel and hexavalent chromium and the risk of lung…

Occupational and Environmental Health Seminar Series 2022-2023

The Occupational and Environmental Health (OEH) seminar series is supported by the Dalla Lana School of Public Health, Public Health Ontario, the Occupational…

Occupational Disease Statistics User Toolkit: Mining

OCRC has developed a user toolkit for the Occupational Disease Statistics (OccDiseaseStats) website and data tool. The toolkit offers a…

Occupational Exposure to Polycyclic Aromatic Hydrocarbons and Lung Cancer Risk: Results from a Pooled Analysis of Case-Control Studies (SYNERGY)

Olsson A, Guha N, Bouaoun L, et al. Occupational Exposure to Polycyclic Aromatic Hydrocarbons and Lung Cancer Risk: Results from…

OCRC Report: Chronic respiratory disease

Highlighting important respiratory diseases identified in Ontario workers through the ODSS

Cancer risk among firefighters and police in the Ontario workforce

Sritharan J, Kirkham TL, MacLeod JS, Marjerrison N, Lau A, Dakouo M, Logar-Henderson C, Norzin T, DeBono NL, Demers PA….

Occupational Exposure of Canadian Nail Salon Workers to Plasticizers Including Phthalates and Organophosphate Esters

Nguyen LV, Diamond ML, Kalenge S, Kirkham TL, Holness DL, Arrandale VH. Environmental Science & Technology 2022. 56(5):3193–3203. Personal exposure…

Occupational Exposure to Wood Dust and the Burden of Nasopharynx and Sinonasal Cancer in Canada

Mofidi A, Tompa E, Kalcevich C, McLeod C, Lebeau M, Song C, Kim J, Demers PA. International Journal of Environmental…

Occupational and Environmental Health Seminar Series 2021-2022

The Occupational and Environmental Health (OEH) seminar series is supported by the Dalla Lana School of Public Health, Public Health Ontario, the Occupational…

Application of two job indices for general occupational demands in a pooled analysis of case-control studies on lung cancer

Hovanec J, Siemiatycki J, Conway DI, et al. Application of two job indices for general occupational demands in a pooled…

Incidence of mesothelioma and asbestosis by occupation in a diverse workforce

Nathan DeBono, Hunter Warden, Chloë Logar-Henderson, Sharara Shakik, Mamadou Dakouo, Jill MacLeod, Paul A. Demers. American Journal of Industrial Medicine. 2021 Jun; 64(6):476-487. Objective We…

Incidence of acute myocardial infarction in the workforce: Findings from the Occupational Disease Surveillance System

Troke N, Logar-Henderson C, DeBono N, Dakouo M, Hussain S, MacLeod JS, Demers PA. Background Increased risks of acute myocardial…

Lung cancer risk in painters: results from the SYNERGY pooled case–control study consortium

Guha N, Bouaoun L, Kromhout H, et al. Lung cancer risk in painters: results from the SYNERGY pooled case-control study…

Estimating Historical Exposure to Respirable Crystalline Silica in the Mining Industry in Ontario, Canada Using a Newly Developed Exposure Database

Blagrove-Hall N, Berriault C, Jardine KJ, Demers PA, Arrandale VH. Annals of Work Exposures and Health. 2021 Jun;65(9):1040-1049. Objectives: To use…

Skin Exposure to Acrylates in Nail Salons

Kalenge S, Kirkham TL, Nguyen LV, Holness DL, Arrandale VH. Annals of work exposures and health. 2021 Mar 3;65(2):162-166. Objectives: The…

Health and Safety in Nail Salons: A Cross-Sectional Survey

Sanaat S, Holness DL, Arrandale VH. Annals of work exposures and health. 2021 Mar 3;65(2):225-229. Objectives: In recent years, nail salons have…

Occupational Risk Factors Among Nursing Professionals​

Background Health care and social assistance makes up 12.4% of the Ontario workforce [1]. In 2019, there were over 160,000…

Cancer surveillance among workers in plastics and rubber manufacturing in Ontario, Canada

DeBono NL, Logar-Henderson C, Warden H, Shakik S, Dakouo M, MacLeod J, Demers PA. Objective: Occupational exposure to agents in plastics…

Mesothelioma Surveillance & Prognosis in Ontario

Research Brief | December 2020 Mesothelioma is a cancer of the tissue that lines internal organs (e.g. lungs, digestive organs,…

Mortality among uranium miners in North America and Europe: the Pooled Uranium Miners Analysis (PUMA)

Richardson DB, Rage E, Demers PA, Do MT, DeBono N, Fenske N, Deffner V, Kreuzer M, Samet J, Wiggins C,…

Neurodegenerative diseases among miners in Ontario, Canada, using a linked cohort

Zeng X, DeBono NL, Harris AM, Arrandale VH, Demers PA. Objectives: We examined employment in mining occupations and industries and its…

OCRC Report: Options for tracking occupational disease and exposure in Ontario

This report provides an overview of current occupational disease and exposure surveillance initiatives and identifies opportunities for future work.

Occupational and Environmental Health Seminar Series 2020-2021

The Occupational and Environmental Health (OEH) seminar series is supported by the Dalla Lana School of Public Health, Public Health Ontario, the Occupational…

Respirable Crystalline Silica Exposure, Smoking, and Lung Cancer Subtype Risks. A Pooled Analysis of Case-Control Studies

Ge C, Peters S, Olsson A, et al. Respirable crystalline silica exposure, smoking, and lung cancer subtype risks. A pooled…

Diesel Engine Exhaust Exposure, Smoking, and Lung Cancer Subtype Risks. A Pooled Exposure–Response Analysis of 14 Case–Control Studies

Ge C, Peters S, Olsson A, et al. Diesel engine exhaust exposure, smoking, and lung cancer subtype risks. A pooled…

Innovations in applied decision theory for health and safety

This study highlights better ways for epidemiologists to measure and communicate the health impact of potential policy choices.

Ontario Cancer Fact: The International Agency for Research on Cancer’s carcinogen classifications support cancer prevention

IARC updated its classification process, which evaluates potential carcinogens based on the likelihood that they can cause cancer, in 2019.

OCRC Report: Using scientific evidence and principles to help determine the work-relatedness of cancer
OCRC Report: Using scientific evidence and principles to help determine the work-relatedness of cancer

The report, commissioned by the Ontario Ministry of Labour, Training and Skills Development, identifies 11 recommendations to improve recognition and adjudication of occupational cancer claims.

OCRC Report: Investigation of McIntyre Powder Exposure and Neurological Outcomes in the Mining Master File Cohort

This report, funded by the Workplace Safety and Insurance Board, examines the risk of neurological disease among Ontario miners who were exposed to McIntyre Powder.

OCRC Report: Workplace Hazardous Materials Bureau – Confidential Business Information Protection Provisions on Carcinogens and Mutagens: Implications for Canadian Workers

This report evaluates when withholding the identity or concentration of carcinogens and mutagens within WHMIS could potentially harm the health or well-being of workers.

Use of a Canadian Population-Based Surveillance Cohort to Test Relationships Between Shift Work and Breast, Ovarian, and Prostate Cancer

Harris MA, MacLeod J, Kim J, Pahwa M, Tjepkema M, Peters P, Demers PA. Ann Work Expo Health. 2020 April…

Estimating the burden of lung cancer in Canada attributed to occupational radon exposure using a novel exposure assessment method

Ge CB, Kim J, Labrèche F, Heer E, Song C, Arrandale VH, Pahwa M, Peters CE, Demers PA. Int Arch…

OCRC Report: Future Burden of Cancer in Construction Workshop

This report summarizes results of the Future Burden of Cancer study, and challenges and opportunities for prevention in the Ontario construction sector.

OCRC Report: National Occupational Disease and Exposure Surveillance Workshop Summary

This report provides an overview of current occupational disease and exposure surveillance efforts in Canada and opportunities for future work.

A probabilistic approach for economic evaluation of occupational health and safety interventions: a case study of silica exposure reduction interventions in the construction sector

Mofidi A, Tompa E, Mortazavi SB, Esfahanipour A, Demers PA. BMC Public Health 2020; 20(210). Background Construction workers are at…

PUMA – pooled uranium miners analysis: cohort profile

Rage E, Richardson DB, Demers PA, Do M, Fenske N, Kreuzer M, Samet J, Wiggins C, Schubauer-Berigan MK, Kelly-Reif K,…

Burden of non-melanoma skin cancer attributable to occupational sun exposure in Canada

Peters CE, Kim J, Song C, Heer E, Arrandale VH, Pahwa M, Labrèche F, McLeod CB, Davies HW, Ge CB,…

OCRC Report: Awareness of asbestos hazards in schools, asbestos management plans and training among Ontario school custodial workers

This report summarizes the findings from an evaluation of custodial workers’ awareness of asbestos management in schools.

Dermatitis among workers in Ontario: results from the Occupational Disease Surveillance System

Shakik S, Arrandale VH, Holness DL, MacLeod JS, McLeod CB, Peter A, Demers PA. Objectives: Dermatitis is the most common occupational…

OCRC Report: Burden of occupational cancer in Canada – Major workplace carcinogens and prevention of exposure

Burden of Occupational Cancer in Canada presents estimates of occupational exposure and the associated burden of cancer by industry, as well as…

Occupational and Environmental Health Seminar Series 2019-2020

The Occupational and Environmental Health (OEH) seminar series is supported by the Dalla Lana School of Public Health, Public Health Ontario, the Occupational…

The impact of night shift work on breast cancer: Results from the Burden of Occupational Cancer in Canada Study

Pahwa M, Labrèche F, Kim J, Harris MA, Song C, Peters CE, Arrandale VH, Davies H, McLeod CB, Demers PA….

Prostate cancer risk by occupation in the Occupational Disease Surveillance System (ODSS) in Ontario, Canada

Sritharan J, MacLeod JS, McLeod CB, Peter A, Demers PA. Introduction: Previous Canadian epidemiologic studies have identified associations between occupations and…

Adult Asthma among Workers in Ontario. Results from the Occupational Disease Surveillance System

Logar-Henderson C, MacLeod JS, Arrandale VH, Holdness DL, McLeod CB, Peter A, Demers PA. Rationale: Given that approximately 15% of new-onset…

The current burden of cancer attributable to occupational exposures in Canada

Labrèche F, Kim J, Song C, Pahwa M, Ge CB, Arrandale VH, McLeod CB, Peters CE, Lavoué J, Davies HW,…

Risk of leukemia after chronic exposure to gamma radiation among Ontario uranium miners?

Do M, Ramkissoon A, Berriault C, Villeneuve P, Demers P. Abstract from the 27th Epidemiology in Occupational Health (EPICOH) conference….

Breast cancer risk by occupation and industry in women and men: Results from the Occupational Disease Surveillance System (ODSS)

Sritharan J, MacLeod JS, Dakouo M, Qadri M, McLeod CB, Peter A, Demers PA. Background: The recently established Occupational Disease Surveillance…

OCRC Report: Developing National CAREX Projects in Latin America & the Caribbean : Technical Guide

Technical Guide to the Workshop Proceedings: Building Capacity for CAREX Projects in Latin America and the Caribbean (May 2014)

Controlling Occupational Exposure to Carcinogens

Highlighting some of the control strategies available for key occupational carcinogens in Canada.

O6B.2 Cancer risk by ore type in a mixed miners cohort

Demers PA, Berriault C, Ramkissoon A, Do MT, Lightfoot N, Zeng X, Arrandale VH. Occupational & Environmental Medicine 2019;76(Suppl 1):A1–A109….

Histopathologic Analysis of Lung Cancer Incidence Associated with Radon Exposure among Ontario Uranium Miners

Using a retrospective cohort design, this study examines the risks of lung cancer by histological subtypes associated with exposure to radon decay products among the Ontario Uranium Miners cohort.

Exposure of Canadian electronic waste dismantlers to flame retardants

Nguyen LV, Diamond ML, Venier M, Stubbings WA, Romanak K, Bajard L, Melymuk L, Jantunen LM, Arrandale VH. Environment International…

Flame retardants and plasticizers in a Canadian waste electrical and electronic equipment (WEEE) dismantling facility

Stubbings WA, Nguyen LV, Romanak K, Jantunen L, Melymuk L, Arrandale VH, Diamond ML, Venier M. The Science of the…

Preventing occupational disease: Moving the agenda forward

Watch Dr. Paul Demers deliver the Institute for Work & Health’s 2018 Alf Nachemson Memorial Lecture. 

A new approach for detecting work-related disease risks: the Occupational Disease Surveillance System

This article outlines the purpose and approach for creating the Occupational Disease Surveillance System, and provides an overview of select results for different health outcomes generated by this system.

Adult Asthma among Workers in Ontario: Results from the Occupational Disease Surveillance System

This study examines associations between asthma and hundreds of jobs in Ontario.

Breast cancer risk by occupation and industry in women and men: Results from the Occupational Disease Surveillance System (ODSS)

The recently established ODSS was used to examine breast cancer risk in women and men by occupation and industry.

Examining lung cancer risks across different industries and occupations in Ontario, Canada: the establishment of the Occupational Disease Surveillance System

This current surveillance system identified several established high-risk groups for lung cancer and could be used for ongoing surveillance of occupational lung cancer in Ontario.

Burden of Occupational Cancer: Fact Sheets

A series of fact sheets were created to share results from the Burden of Occupational Cancer study. These fact sheets…

Uncertainties associated with assessing Ontario uranium miners’ exposure to radon daughters

Navaranjan G, Chambers D, Thompson PA, Do M, Berriault C, Villeneuve PJ, Demers PA. Journal of Radiological Protection 39:136. The…

Controlling Diesel Particulate Matter in Construction

Diesel engine exhaust is a complex mixture of toxic gases and particulates produced from the combustion of diesel fuel. It…

Occupational and Environmental Health Seminar Series 2018-2019

The Occupational and Environmental Health (OEH) seminar series is supported by the Dalla Lana School of Public Health, Public Health Ontario, the Occupational…

Examining lung cancer risks across different industries and occupations in Ontario, Canada: the establishment of the Occupational Disease Surveillance System

Hardt JS, Vermeulen R, Peter S, Kromhout H, McLaughlin JR, Demers PA. Occupational and Environmental Medicine 2014;71(1):282-288.

Burden of lung cancer attributable to occupational diesel engine exhaust exposure in Canada

Kim J, Peters CE, Arrandale VH, Labrèche F, Ge CB, McLeod CB, Song C, Lavoué J, Davies HW, Nicol A-M,…

Industry and geographic patterns of use and emission of carcinogens in Ontario, Canada, 2011–2015

The results of this study show the need to reduce the use and emission of select carcinogens in priority industry sectors.

Night shift work and breast cancer risk: what do the meta-analyses tell us?

Pahwa M, Labrèche F, Demers PA. Scand J Work Environ Health. 2018 Jul 1;44(4):432-435. Objectives: This paper aims to compare…

The economic burden of occupational non-melanoma skin cancer due to solar radiation

Mofidi A, Tompa E, Spencer J, Kalcevich C, Peters CE, Kim J, Song C, Mortazavi SB, Demers PA. J Occup…

OCRC Report: Response to the 2018 proposed changes to occupational exposure limits

The Ontario Ministry of Labour proposed a number of changes to the Occupational Health and Safety Act in 2018. These…

OCRC Report: Assessment of diesel exhaust exposure in municipal fire halls in Ontario

This report, funded by the Ontario Ministry of Labour, summarizes the diesel exhaust exposure levels assessed in 12 fire halls in Ontario.

OCRC Report: Assessment of safe antineoplastic drug handling practices in community pharmacies, veterinary settings and long-term care homes in Ontario

Report funded by the Ontario Ministry of Labour and produced in collaboration with Ryerson University, the University of Toronto, and Public Services Health and Safety Association.

Exploring applications of the Ontario Toxics Reduction Act for exposure surveillance

May 2018 Executive SummaryExposures to toxic substances in the workplace contribute significantly to the global diseaseburden and are increasingly being…

Video: Scientist Victoria Arrandale discusses e-waste in the The Agenda with Steve Paikin program

Dr. Victoria Arrandale discusses the challenges and hazards of dealing with e-waste.

Video: Dr. Paul Demers discusses Construction Carcinogens in the The Agenda with Steve Paikin program

Dr. Paul Demers discusses exposure to carcinogens such as diesel, asbestos, silica dust, wood dust, and solar radiation in the construction industry.

The Economic Burden of Bladder Cancer Due to Occupational Exposure

Jung YL, Tompa E, Longo C, Kalcevich C, Kim J, Song C, Demers P. Journal of Occupational and Environmental Medicine….

Prostate cancer surveillance by occupation and industry: the Canadian Census Health and Environment Cohort (CanCHEC)

This study uses one of the largest Canadian worker cohorts to examine occupation, industry, and prostate cancer and to assess patterns of prostate cancer rates.

Occupational Exposures among Nail Technicians in Toronto, Canada

Arrandale VH, Kalenge S, Nguyen LV, Kirkham TL, Diamond ML, Holness DL. Environmental Health Perspectives. 2018. Introduction: Nail salons have…

Alternative Flame Retardant, 2,4,6-Tris(2,4,6-tribromophenoxy)-1,3,5-triazine, in an E-waste Recycling Facility and House Dust in North America

Guo J, Stubbings WA, Romanak K, Nguyen LV, Jantunen L, Melymuk L, Arrandale VH, Diamond ML, Venier M. Environmental science…

Tri(2,4-di-t-butylphenyl) Phosphate: A Previously Unrecognized, Abundant, Ubiquitous Pollutant in the Built and Natural Environment

Venier M, Stubbings WA, Guo J, Romanak K, Nguyen LV, Jantunen L, Melymuk L, Arrandale VH, Diamond ML, Hites RA….

Controlling Diesel Particulate Matter from On-Road Diesel Engines

An infographic describing control strategies for diesel engine exhaust from on-road applications.

Iterative Method of Analysis of 90 Interviews From Two Communities: Understanding How Sudbury and Sarnia Reduced Occupational Exposures and Industrial Pollution

Kramer DM, Haynes E, McMillan K, Lightfoot NE, Holness DL. SAGE Research Methods Cases Part 2. 2018. The communities of…

Asking Clients at a Community Health Center About Their Occupational Exposures: A Knowledge Transfer Feasibility Case Study

Kushner R, Kramer DM, Holness DL. SAGE Research Methods Cases Part 2. 2018. This case study describes a pilot study…

Feasibility of clinicians asking patients about their exposure to occupational hazards: An intervention at five primary care health centres

Kushner R, Kramer DM, Holness DL. Work 2018 60(3):365-384. Background: Ontario’s occupational health and safety prevention system has identified a need…

Occupational prestige, social mobility and the association with lung cancer in men

The researchers studied the association between lung cancer and the level of time-weighted average occupational social prestige as well as its lifetime trajectory by using data from the international pooled SYNERGY case-control study.

Lung Cancer Among Firefighters: Smoking-Adjusted Risk Estimates in a Pooled Analysis of Case-Control Studies

The aim of this study was to explore lung cancer risk among firefighters, with adjustment for smoking.

Lung cancer and socioeconomic status in a pooled analysis of case-control studies

Hovanec J, Siemiatycki J, Conway DI, et al. Lung cancer and socioeconomic status in a pooled analysis of case-control studies….

Is previous respiratory disease a risk factor for lung cancer?

Findings from this large international case-control consortium indicate that after accounting for co-occurring respiratory diseases, chronic bronchitis and emphysema continue to have a positive association with lung cancer.

Lung cancer risk among cooks when accounting for tobacco smoking: a pooled analysis of case-control studies from Europe, Canada, New Zealand, and China

Bigert C, Gustavsson P, Straif K, et al. Lung cancer risk among cooks when accounting for tobacco smoking: a pooled analysis of case-control studies from Europe, Canada, New Zealand, and China.

Lung cancer risk among bricklayers in a pooled analysis of case-control studies

The researchers examined lung cancer risk among bricklayers within SYNERGY, a large international pooled analysis of case-control studies on lung cancer and the joint effects of occupational carcinogens.

Effect modification of the association of cumulative exposure and cancer risk by intensity of exposure and time since exposure cessation: a flexible method applied to cigarette smoking and lung cancer in the SYNERGY Study

To assess the independent effects of duration and intensity of exposure on cancer risk, the researchers explored effect modification of the association of cumulative exposure and cancer risk by intensity of exposure.

Welding and lung cancer in a pooled analysis of case-control studies

The SYNERGY project database was used to assess welding as a risk factor for developing lung cancer.

Lung cancer risk among bakers, pastry cooks and confectionary makers: the SYNERGY study

The authors studied lung cancer risks among bakers and baking-related occupations in the SYNERGY pooled case-control database from 16 countries.

Lung cancer risk among hairdressers: a pooled analysis of case-control studies conducted between 1985 and 2010

Our objective was to evaluate the lung cancer risk among hairdressers while adjusting for smoking and other confounders in a pooled database of 16 case-control studies conducted in Europe, Canada, China, and New Zealand between 1985 and 2010.

Recent trends in the industrial use and emission of known and suspected carcinogens in Ontario, Canada

Slavik CE, Kalenge S, Demers PA. Recent trends in the industrial use and emission of known and suspected carcinogens in Ontario, Canada. Reviews on Environmental Health 2017 Sept.

Silica exposure in a mining exploration operation

Arrandale VH, Kalenge S, Demers PA. Silica exposure in a mining exploration operation. Arch Environ Occup Health. 2017 Dec.

Prostate cancer in firefighting and police work: a systematic review and meta-analysis of epidemiologic studies

A systematic review and meta-analysis was conducted to evaluate potential associations between firefighting and police occupations, and prostate cancer incidence and mortality.

Occupation and risk of prostate cancer in Canadian men: A case-control study across eight Canadian provinces

This study presents associations between occupation, industry and prostate cancer, while accounting for individual level factors.

Historical occupational isocyanate exposure levels in two Canadian provinces

A newly created exposure database was available containing occupational isocyanate measurements spanning 1981-1996 from Ontario and British Columbia (BC)-two of the largest provinces in Canada.

The Burden of Occupational Cancer: Major Workplace Carcinogens and Prevention of Exposure in Ontario

Dr. Paul Demers discussed key results from the Burden of Occupational Cancer in Ontario report as part of the IWH Speaker Series.

From awareness to action: Sudbury, mining and occupational disease in a time of change

Kramer DM, Holness DL, Haynes E, McMillan K, Berriault C, Kalenge S, Lightfoot N. Work 2017:58(2);149-162.

OCRC Report: Burden of Occupational Cancer in Ontario – Major Workplace Carcinogens and Prevention of Exposure

This report focuses on the most common carcinogens found in Ontario workplaces and their contribution to cancer. It was released on October 4, 2017.

Cancer Risks among Welders and Occasional Welders in a National Population-Based Cohort Study: Canadian Census Health and Environmental Cohort

MacLeod JS, Harris MA, Tjepkema M, Peters PA, Demers PA. Safety and Health at Work. 2017 Sep;8(3):258-266. Background: Welders are exposed…

The economic burden of lung cancer and mesothelioma due to occupational and para-occupational asbestos exposure

Tompa E, Kalcevich C, McLeod C, Lebeau M, Song C, McLeod K, Kim J, Demers PA. Occupational and Environmental Medicine 2017.

Occupational and Environmental Health Seminar Series 2017-2018

The Occupational and Environmental Health (OEH) seminar series is supported by the Dalla Lana School of Public Health, Public Health Ontario, the Occupational…

Sedentary work and the risks of colon and rectal cancer by anatomical sub-site in the Canadian census health and environment cohort (CanCHEC)

Pahwa M, Harris MA, MacLeod J, Tjepkema M, Peters PA, Demers PA. Cancer Epidemology 2017 Aug;49:144-151. Background: Sedentary behaviour is a…

Occupational variation in incidence of bladder cancer: a comparison of population-representative cohorts from Nordic countries and Canada

Hadkhale K, MacLeod J, Demers PA, Martinsen JI, Weiderpass E, Kjaerheim K, Lynge E, Sparen P, Tryggvadottir L, Harris MA,…

Cancer risks in a population-based study of 70,570 agricultural workers: results from the Canadian census health and Environment cohort (CanCHEC)

Kachuri L, Harris MA, MacLeod J, Tjepkema M, Peters PA, Demers PA. BMC Cancer. 2017 May;17(1):343. Background: Agricultural workers may be…

Controlling Diesel Particulate Matter in Underground Mines

A visual guide to the strategies available for controlling diesel particulate matter in underground mining.

Exposure–Response Analyses of Asbestos and Lung Cancer Subtypes in a Pooled Analysis of Case–Control Studies

Olsson AC, Vermeulen R, Schüz J, et al. Exposure-response analyses of asbestos and lung cancer subtypes in a pooled analysis…

Cancer incidence and mortality from exposure to radon progeny among Ontario uranium miners

Navaranjan G, Berriault C, Do M, Villeneuve PJ, Demers PA. Occupational and Environmental Medicine 2016;73:838-845. Objectives: The study objectives were to extend…

Occupational and Environmental Health Seminar Series 2016-2017

The Occupational and Environmental Health (OEH) seminar series is supported by the Dalla Lana School of Public Health, Public Health Ontario, the Occupational…

Natural resource-based industries and prostate cancer risk in Northeastern Ontario: a case-control study

Sritharan J, Demers PA, Harris SA, Cole DC, Kreiger N, Sass-Kortsak A, Lightfoot N. Occupational and Environmental Medicine 2016.

Colorectal Cancer Resources

Information on occupational exposures that increase the risk of colorectal cancer.

Breast Cancer Resources

Information on occupational exposures that increase the risk of breast cancer.

Prostate Cancer Resources

Information on occupational exposures that increase the risk of colorectal cancer.

Non-Hodgkin Lymphoma Resources

Information on occupational exposures that increase the risk of non-Hodgkin lymphoma.

Lung Cancer Resources

Information on occupational exposures that increase the risk of lung cancer.

Kidney Cancer Resources

Information on occupational exposures that increase the risk of kidney cancer.

Ovarian Cancer Resources

Information on occupational exposures that increase the risk of ovarian cancer.

Bladder Cancer Resources

Information on occupational exposures that increase the risk of bladder cancer.

Identifying potential exposure reduction priorities using regional rankings based on emissions of known and suspected carcinogens to outdoor air in Canada

Setton E, Veerman Basil, Erickson A, Deschenes S, Cheasley R, Poplawski K, Demers P, Keller C. Environmental Health 2015 Aug;14:69.

IARC Monographs: 40 Years of Evaluating Carcinogenic Hazards to Humans

Pearce NE et al. Environmental Health Perspectives 2015;123(6):507-14.

Physical activity, physical fitness, and body composition of Canadian shift workers: data from the Canadian health measures survey cycles 1 and 2

Neil-Sztramko SE, Gotay CC, Demers PA, and Campbell KL. Journal of Occupational & Environmental Medicine 2016; 58(1):94-100.

Bladder cancer and occupational exposure to diesel and gasoline engine emissions among Canadian men

Latifovic L, Villeneuve PJ, Parent M-É, Johnson KC, Kachuri L, the Canadian Cancer Registries Epidemiology Group, Harris SA. Cancer Medicine. 2015 Dec;4(12):1948-62.

Characteristics of work-related fatal and hospitalized injuries not captured in workers’ compensation data

Koehoorn M, Tamburic L, Xu F, Alamgir AH, Demers PA, McLeod CB. Occupational and Environmental Medicine 2015;72(6):413-20.

The contribution of lifestyle, environment, genetics and chance to cancer risk in individuals and populations

King WD, Friedenreich CM, Brenner DR, De P, Demers PA, Hystad P, Nutall R, Villeneuve PJ, Walter SD. Preventive Medicine 2015;76:132-134.

Workplace exposure to diesel and gasoline engine exhausts and the risk of colorectal cancer in Canadian men

Kachuri L, Villeneuve PJ, Parent M-É, Johnson KC, the Canadian Cancer Registries Epidemiology Group, Harris SA. Environmental Health 2016 Jan;15:4.

Antineoplastic Drug Contamination in the Urine of Canadian Workers

Hon C-Y, Teschke K, Shen H, Demers PA, Venners S. International Archives of Occupupational and Environmental Health 2015 Oct;88(7):933-41.

Occupational exposure to magnetic fields and breast cancer among Canadian men

Grundy A, Harris SA, Demers PA, Johnson KC, Agnew R, Canadian Cancer Registries Epidemiology Research Group, Villeneuve PJ. Cancer Medicine 2016 Mar;5(3):586-596.

Estimating Population Level Exposure

Demers PA. Annals of Occupational Hygiene 2016;60(1):5-7.

Shiftwork, Breast Cancer and Health: Interventions to Reduce the Risks

An Ontario Cancer Fact describing the health effects of shiftwork and interventions that may help minimize the risks.

OCRC Report: Preventing the Burden of Occupational Cancer in Canada: Stakeholder Meeting Summary

This report highlights major themes that arose from discussions at the November 5, 2015 stakeholder meeting on “Preventing the Burden of Occupational Cancer in Canada.”

Sun Safety at Work | About the Project

Enhancing sun safety in Canadian workplaces

Mesothelioma cases in Ontario continue to rise

The OCRC has prepared an Ontario Cancer Fact that describes the number of new cases of mesothelioma in Ontario between 1981 and 2012.

Occupational and Environmental Health Seminar Series 2015-2016

The Occupational and Environmental Health (OEH) seminar series is supported by the Dalla Lana School of Public Health, Public Health Ontario, the Occupational…

From Awareness to Action: The Community of Sarnia Mobilizes to Protect its Workers from Occupational Disease

Kramer DM, McMillan K, Gross E, Bradley M, Holness DL. New Solutions: A Journal of Environmental and Occupational Health Policy 2015;25(3):377-410.

Sun Safety at Work Canada: a multiple case-study protocol to develop sun safety and heat protection programs and policies for outdoor workers

Kramer DM, Tenkate T, Strahlendorf P, Kushner R, Gardner A, Holness DL. Implementation Science 2015;10:97.

Poster: Sun Safety at Work Canada

Poster presented at the Partners in Prevention 2015 Health & Safety Conference and Trade Show on April 28-29, 2015.

The inclusion of women in studies of occupational cancer: a review of the epidemiologic literature from 1991-2009

Hohenadel K, Raj P, Demers PA, Zahm SH, Blair A. American Journal of Industrial Medicine 2015 Mar;58(3):276-81. Introduction: Since the early…

OCRC Report: Ontario Uranium Miners Cohort Study

Navaranjan G, Berriault C, Do M, et al. Toronto, Canada, February 2015. Report prepared for the Canadian Nuclear Safety Commission….

Occupational and Environmental Health Seminar Series 2014-2015

The Occupational and Environmental Health (OEH) seminar series is supported by the Dalla Lana School of Public Health, Public Health Ontario, the Occupational…

Occupational and Environmental Health Seminar Series 2013-2014

The seminar series is supported by the Dalla Lana School of Public Health, Public Health Ontario, the Occupational Cancer Research Centre, and the Centre for Research Expertise in Occupational Disease. Presentations from the 2013-2014 seminars are posted here.

Prostate cancer and occupational exposure to whole-body vibration in a national population-based cohort study

Jones MK, Harris MA, Peters PA, Tjepkema M, Demers PA. Am J Ind Med. 2014 Aug;57(8):896-905. Background: Following preliminary evidence from…

Sun Safety at Work | Blog Post

Dr. Thomas Tenkate of Ryerson University, and Dr. Desre Kramer of OCRC teamed up to write a blog post on sun safety for Cancer Care Ontario’s internal website.

Skin Cancer Prevention Strategies for Outdoor Workers

Occupational sun exposure is a significant risk factor for non-melanoma skin cancer. Read a fact sheet on prevention strategies here.

Health-related interventions among night shift workers: a critical review of the literature

Neil SE, Pahwa M, Demers PA, Gotay CC. Scandinavian Journal of Work, Environment and Health 2014.

Antineoplastic Drug Contamination on the Hands of Employees Working Throughout the Hospital Medication System

Hon C-Y, Teschke K, Demers PA, Venners S. Annals of Occupational Hygiene 2014.

Occupational exposure to crystalline silica and the risk of lung cancer in Canadian men

Kachuri L, Villeneuve PJ, Parent ME, Johnson KC, Harris SA. International Journal of Cancer 2014;135(1):138-148.

A comparison of exposure assessment approaches: lung cancer and occupational asbestos exposure in a population-based case-control study

Hardt JS, Vermeulen R, Peter S, Kromhout H, McLaughlin JR, Demers PA. Occupational and Environmental Medicine 2014;71(1):282-288.

Recent trends in published occupational cancer epidemiology research: results from a comprehensive review of the literature

Raj P, Hohenadel K, Demers PA, Zahm SH, Blair A. American Journal of Industrial Medicine 2014;57(3):259-264.

Exposures to multiple pesticides and the risk of Hodgkin lymphoma in Canadian men

Navaranjan G, Hohenadel K, Blair A, Demers PA, Spinelli JJ, Pahwa P, McLaughlin JR, Dosman JA, Ritter L, Harris SA. Cancer Causes & Control 2013;24(9):1661-1673.

Antineoplastic drug contamination of surfaces throughout the hospital medication system in Canadian hospitals

Hon C-Y, Venners S, Demers PA, Teschke K. Journal of Occupational and Environmental Hygiene 2013;10(7):374-383.

Trends in compensation for deaths from occupational cancer in Canada: a descriptive study

Del Bianco A, Demers PA. Canadian Medical Association Journal Open 2013;1(3):e1-e6.

OCRC Submission: Submission to the Ontario Ministry of Labour’s 2014 Occupational Exposure Limit Update

In 2014, OCRC submitted recommendations to the Ontario Ministry of Labour’s annual OEL update to reduce occupational exposure limits (OELs)…

Canadian team working to identify the most important workplace carcinogens

An Ontario Cancer Fact describing the goals and methods of the Burden of Occupational Cancer in Canada study.

Multiple pesticide exposures and the risk of multiple myeloma in Canadian men

Kachuri L, Demers PA, Blair A, Spinelli JJ, Pahwa M, McLaughlin JR, Pahwa P, Dosman JA, Harris SA. International Journal of Cancer 2013;133(8):1846-58.

Epidemiologic Studies of Pentachlorophenol Users

Presented by Dr. Paul Demers on April 11, 2013.

Prevalence of exposure to solar radiation (UVR) on the job in Canada

Peters CE, Nicol AM, Demers PA. Canadian Journal of Public Health 2012;103(3):223-226.

Did you have an impact? A theory-based method for planning and evaluating knowledge-transfer and exchange activities in occupational health & safety

Kramer DM, Wells RP, Carlan N, Aversa T, Bigelow P, Dixon S, McMillan K. International Journal of Occupational Safety and Ergonomics 2013;19(1)41-62.

Shiftwork trends and risk of work injury among Canadian workers

Wong I, Demers PA, McLeod C. Scandinavian Journal of Work, Environment and Health 2011;37(1):54-61.

Cohorts and consortia conference: a summary report (Banff, Canada, June 17-19, 2009)

Boffetta P, et al. Cancer Causes and Control 2011;22(3):463-468.

Video: IARC and the classification of carcinogens

In February 2012 the Occupational Cancer Research Centre hosted a workshop on the classification of carcinogens. The workshop described how…

Video: Dr. Robert Whiting, Dr. Karen Albertsen and Dr. Diane Boivin discuss interventions to mitigate the health effects of shiftwork

From the OCRC and the Institute for Work & Health’s shiftwork interventions symposium, 2012.

CCO and OCRC Report: Cancer Risk Factors in Ontario

Cancer Risk Factors in Ontario: Evidence Summary is a report that reviews the epidemiologic evidence linking a broad range of risk factors to various types of cancer in Ontario.

OCRC Submission: Submission to the Ontario Ministry of Labour’s 2013 Occupational Exposure Limit Update

In 2013, OCRC submitted recommendations to reduce occupational exposure limits (OELs) for diesel engine exhaust and tricholoroethylene to the Ontario…

OCRC Report: Examination of accepted workplace fatality claims within Ontario and Canada

Del Bianco A, Demers PA. Examination of accepted workplace fatality claims within Ontario and Canada. Toronto, ON: 2013. This report…

Pesticide use, immunologic conditions, and risk of non-Hodgkin lymphoma in Canadian men in six provinces

Research Summary Manisha Pahwa, Shelley A Harris, Karin Hohenadel, John R McLaughlin, John J Spinelli, Punam Pahwa, James A Dosman,…

Video: Dr. Paul Demers discusses shiftwork as a probable human carcinogen

Dr. Paul Demers was interviewed by Canadian HR Reporter TV on the link between shiftwork and cancer. To read more…

Video: Dr. Paul Demers discusses occupational cancer

Dr. Paul Demers was interviewed by Canadian HR Reporter TV about current research in the field of occupational cancer. He…

Shiftwork Interventions Symposium

Interventions mitigating health risks for shift work: Current knowledge and workplace practices On November 6, 2012, OCRC and the Institute for…

About the OCRC

The OCRC has produced a report on the centre and its research over the first few years.

Poster: Occupational Cancer is the Leading Cause of Workplace Fatalities

Poster presented at the Partners in Prevention 2012 Health & Safety Conference and Trade Show on May 1-2, 2012.

Poster: Occupational exposure limits for carcinogens in Ontario workplaces: Opportunities to prevent and control exposure

Poster presented at the Partners in Prevention 2012 Health & Safety Conference and Trade Show on May 1-2, 2012.

Occupational cancer is the leading cause of work-related fatalities in Ontario

An Ontario Cancer Fact comparing the number of work-related fatalities due to occupational cancer versus traumatic injuries and disorders, based on the number of accepted compensation claims.

OCRC Report: Occupational exposure limits for carcinogens in Ontario workplaces: Opportunities to prevent and control exposure

OCRC has surveyed occupational exposure limits in Ontario and made recommendations for carcinogens that can have more rigorous limits.

OCRC Report: Workplace practices to address the health effects of shiftwork | Stakeholder knowledge and needs survey

OCRC and the Institute for Work & Health (IWH) completed a survey to determine stakeholder needs and current knowledge of interventions to reduce the health effects of shiftwork.

Pesticide use, immunologic conditions, and risk of non-Hodgkin lymphoma in Canadian men in six provinces

Pahwa M, Harris SA, Hohenadel K, McLaughlin JR, Spinelli JJ, Pahwa P, Dosman JA, Blair A. International Journal of Cancer 2012; 131(11):2650-2659.

Video: Paul Demers discusses occupational cancer and the role of the OCRC
Video: Paul Demers discusses occupational cancer and the role of the OCRC

On October 18, 2011, Dr. Paul Demers presented at the Research Exchange Series at the Centre for Health & Safety…

Carcinogen Classification Workshop

On February 14th, 2012, OCRC hosted a workshop on the classification of carcinogens at the United Steelworkers Hall. This workshop aimed…

Video: Dr. Demers discusses occupational cancer and OCRC’s research program

As part of the Centre for Health & Safety Innovation’s 2012 Research Exchange Series, Dr. Paul Demers discussed the history…

Wood Dust Exposure and the Risk of Cancer

Presented by Dr. Paul Demers on November 28, 2011 at the Canadian Cancer Research Conference.

Exposure to multiple pesticides and the risk of non-Hodgkin lymphoma

Hohenadel K, Harris SA, McLaughlin JR, Spinelli JJ, Pahwa P, Dosman JA, Demers PA, Blair A. International Journal of Environmental Research and Public Health 2011; 8(6):2320-2330.

Surveillance of mesothelioma and workers’ compensation in British Columbia, Canada

Kirkham TL, Koehoorn MW, McLeod CB, Demers PA. Occupational and Environmental Medicine 2011; 68(1):30-35.

Exposure to pesticides and metal contaminants of fertilizer among tree planters

Gorman Ng M, Stjernberg E, Koehoorn M, Demers PA, Davies HW. Annals of Occupational Hygiene 2011; 55(7):752-763.

Occupational Cancer and the Research Program of the OCRC and CAREX Canada

Presented by Dr. Paul Demers on October 18, 2011.

Occupational exposure to asbestos and ovarian cancer: a meta-analysis

Constanza Camargo M, Stayner LT, Straif K, Reina M, Al-Alem U, Demers PA, Landrigan PJ. Environmental Health Perspectives 2011; 119(9):1211-1217.

Priority issues in occupational cancer research: Ontario stakeholder perspectives

Hohenadel K, Pichora E, Marrett L, Bukvic D, Brown J, Harris SA, Demers PA, Blair A. Chronic Diseases and Injuries in Canada, 2011; 31(4):147-151

Occupational cancer in developed countries

Blair A, Marrett L, Beane Freeman L. Environmental Health 2011; 10(Suppl 1):S9.

Shift work in Canadian industries – a probable cancer risk factor

OCRC has prepared an Ontario Cancer Fact on shift work in Canadian industries.

Occupational Carcinogens: Current Knowledge, Gaps, and Stakeholder Perspectives

Presented by Dr. Paul Demers on May 29, 2010 at the Canadian Association for Research on Work and Health Conference.

Pesticides and Cancer: New Analyses of a Multi-Centre Case Control Study

Presented by Dr. Aaron Blair on May 29, 2010 at the Canadian Association for Research on Work and Health Conference in Toronto.

OCRC’s stakeholder community identifies research priorities

An Ontario Cancer Fact on OCRC’s stakeholder consultation to identify research priorities.

OCRC Report: Occupational Cancer Research Centre stakeholder consultation

In 2009, OCRC consulted with a broad spectrum of stakeholders to identify priority areas for research.

Poster: Scientific context, needs and priorities in occupational cancer

The OCRC research poster summarizes the need for a research centre dedicated to the prevention of occupational cancer.

The Health Effects of Shiftwork Symposium

The OCRC and the Institute for Work & Health (IWH) co-hosted a symposium entitled “The Health Effects of Shiftwork” on…

Asbestos and Cancer in Ontario and the Occupational Cancer Research Centre

Presented by Dr. Loraine Marrett on March 3, 2010 to the Asbestos Surveillance and Disease Compensation Think Tank in Toronto.

Occupational Cancer: Knowledge and Needs

Presented by Dr. Aaron Blair on November 4, 2009.