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  • Dr. Judith Read Guernsey, MSc, PhD


Full Professor, Department of Community Health and Epidemiology, Faculty of Medicine, Dalhousie University; Cross Appointment, School for Resource and Environmental Studies, Faculty of Management, Dalhousie University


Dalhousie University Faculty of Medicine

Research Interests:

Environmental Public Health, Health and Livelihoods of Rural and Remote Communities: Housing and Health; Methods for Assessing Exposure to Toxic Substances 

Dr. Guernsey’s research has aimed to characterize exposures, including carcinogens and carcinogenic mechanisms, in hazardous living and working conditions in Canada and globally, using epidemiological and environmental assessment methods.  She has collaborated with bench researchers to examine associations between genetic polymorphisms of Phase I and II metabolizing enzymes and the role of p450 in estrone oxidation associated with carcinogenesis and to quantify contaminants in air and water. 

Membership Status:

Dr. Judith Read Guernsey is an Associate Member


(902) 494-1767



Clinical Centre for Research, 5790 University Avenue, room 413, Halifax NS B3H 1V7


Hoffman, E., J.R. Guernsey, T.R. Walker, J.S. Kim, K. Sherren, Pan Andreou. Assessment of ambient air toxics emissions near a Canadian kraft pulp and paper facility in Pictou County, Nova Scotia. Environmental Science and Pollution Research, April 2017.

McIver DJ  VanLeeuwen JA Knafla AL  Campbell JA  Alexander KM Gherase MR  Guernsey JR Fleming DEB,  Evaluation of a Novel Portable X-ray Fluorescence Screening Tool for Detection of Arsenic Exposure, Physiological Measurement. 2015 Vol 36 (12):2443-2459. 

Fleming DEB Foran KA Kim JS Guernsey JR. Portable X-ray Fluorescence for Assessing Trace Elements in Rice and Rice Products: Comparison with Inductively Coupled Plasma Mass Spectrometry. Appl Radiat Isot. 2015 Oct;104:217-23. doi: 10.1016/j.apradiso.2015.07.014. Epub 2015 Jul 13 PMID: 26203871.

Wheeler A Gibson M MacNeill M Ward T Wallace L Kutcha J Seaboyer M Dabek-Zlotorzynska E Guernsey JR Stieb D. Impacts of Air Cleaners on Indoor Air Quality in Residences Impacted by Wood Smoke. Environ Sci Technol. 2014 Oct 21;48(20):12157-63. doi: 10.1021/es503144h. Epub 2014 Oct 10. PMID: 25247985.

Terashima M Guernsey JR Andreou P. What type of rural?  Assessing the variations in life expectancy at birth at small area-level for a small population province using classes of locally defined settlement types. BMC Public Health; 2014, 14:162 doi:10.1186/1471-2458-14-162.; PMID: 24524307PMCID: PMC3925774.

Holtby CE Guernsey JR Allen AC Vanleeuwen JA Allen VM Gordon RJ. A population-based case-control study of drinking-water nitrate and congenital anomalies using Geographic Information Systems (GIS) to develop individual-level exposure estimates. International Journal of Environmental Research and Public Health 01/2014; 11(2):1803-23.

MacNeill M Kearney J Wallace L Gibson M Heroux ME Kuchta J Guernsey JR Wheeler A. Quantifying the contribution of ambient and indoor-generated fine particles to indoor air in residential environments. Indoor Air 2014; January 11, pp 1-14.

Dohoo C Guernsey JR Gibson MD VanLeeuwen J Impact of biogas digesters on cookhouse volatile organic compound exposure for rural Kenyan Farmwomen. Journal of Exposure Science and Environmental Epidemiology, 2013, pp 1-8. Doi 10.1038.jes 2013.42.

Ashley-Martin J VanLeeuwen J Cribb A Andreou P Guernsey JR. Breast cancer risk, fungicide exposure and CYP1A1*2A polymorphisms gene-environment interactions in a population based investigation in Prince Edward Island, Canada, International Journal of Environmental Research and Public Health, 2012 May; 9(5): 1846-1858. Published online 2012 May 11 doi: 10.3390/ijerph9051846. PMID: 22754477.

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