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Evidence Reviews

We produce evidence reviews based on our assessments of needs and gaps in evidence-based environmental health practice and policy. We also work with researchers and environmental public health students for reviews. These documents are peer-reviewed and the content is the responsibility of the authors.

Potential Human Health Effects of Perfluorinated Chemicals (PFCs) (UBC Bridge Program)

Perfluorinated chemicals (PFCs), including perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA), are stain, water and grease repellent chemicals found in a wide range of consumer products. Almost everyone has detectable levels of PFOS, PFOA, and other PFCs in their blood. Although levels of PFOS and PFOA in human serum have declined in the US and Europe over the past decade, levels...

Potential Human Health Effects of Perfluorinated Chemicals (PFCs) (UBC Bridge Program)

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Tanning and Skin Cancer: A Brief Review (UBC Bridge Program)

The prevalence of intentional solar tanning in Canada ranges from 4 to 49% depending on age and sex. The prevalence of tanning using artificial tanning devices in Canada ranges from 4 to 27% depending on age and sex. Both solar and artificial tanning are much more frequent in younger persons and in females. Although both solar and artificial ultraviolet radiation is categorized as a human...

Tanning and Skin Cancer: A Brief Review (UBC Bridge Program)

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Minimizing Children’s Non-residential Exposure to Traffic-related Pollution (UBC Bridge Program)

A significant portion of children’s exposure to traffic-related pollution occurs in and around schools and daycares and in transit to these locations. New schools and daycare facilities should be located at least 150 m from major roads (15,000 or more vehicles/day) and should incorporate appropriate ventilation systems to reduce infiltration of outdoor pollutants. Interventions for existing...

Minimizing Children’s Non-residential Exposure to Traffic-related Pollution (UBC Bridge Program)

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Are Naturally Ventilated LEED Buildings Healthier? (UBC Bridge Program)

Green building rating systems such as Leadership in Energy and Environmental Design (LEED) employ a variety of design solutions to reduce energy and minimize environmental damage. These solutions, such as the use of passive ventilation, do not necessarily lead to improvements in occupant healthPassive ventilation strategies employed to reduce energy can lead to uneven airflow distribution and low...

Are Naturally Ventilated LEED Buildings Healthier? (UBC Bridge Program)

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Active Transportation in Urban Areas: Exploring Health Benefits and Risks (UBC Bridge Program)

Active transportation refers mainly to walking and cycling for transportation.Health Benefits: People who use active transportation are, on average, more physically fit, less obese, and have a reduced risk of cardiovascular disease compared to people who use only motorized transportation.A shift from motorized transportation to active transportation has the potential for societal benefits...

Active Transportation in Urban Areas: Exploring Health Benefits and Risks (UBC Bridge Program)

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Fact Sheets for Promoting Healthy Built Environments

Topics: Built Environment Location: General, Canada

This set of fact sheets provides an overview of Healthy Built Environment issues for Environmental Health professionals (EHPs include public health inspectors, environmental health officers, and medical health officers). The aim is to help EHPs collaborate with other stakeholders to promote a Healthy Built Environment (HBE).

Fact Sheets for Promoting Healthy Built Environments

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Residential Use of Wood-Burning Appliances in Canada

This report summarizes information on woodsmoke emissions and health effects associated with woodsmoke exposures from residential wood-burning (RWB) in Canada and provides a qualitative indication of the potential effectiveness of different intervention strategies based on a review of the available literature and interviews with Canadian health authorities. The purpose of this...

Residential Use of Wood-Burning Appliances in Canada: Emissions, Health Effects, and Intervention Strategies

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Residential Indoor Radon Testing

Radon is a known carcinogen, and is estimated to cause up to 10% of all lung cancers in Canada. It is a radioactive gas that is produced by the decay of uranium. Radon is naturally occurring, and emanates from soil and rocks. It percolates up through soil into buildings, and if it is not evacuated there can be much higher exposure levels indoors than outdoors. Fortunately, high radon levels can...

Residential Indoor Radon Testing

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Hog Farms and Their Impact on the Quality of Life of People Living in Rural Areas

Location: General, Canada

Public health professionals are increasingly concerned about hog farms and their impacts on the quality of life in rural areas. The potential impacts of hog farms are raising questions about environmental health. On the one hand, their potential impacts are being put forward by citizens during public debates on hog production.On the other hand, the presence of these controversies raises concerns...

Hog Farms and Their Impact on the Quality of Life of People Living in Rural Areas

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Effective Interventions to Reduce Indoor Radon Levels

Radon represents one of the environmental exposures that can be reduced with effective and practical solutions, reducing an individual’s risk of developing lung cancer. There is extensive literature supporting the cost-effectiveness of radon abatement compared with other healthcare and environmental interventions. Of the remediation measures evaluated to reduce indoor radon levels in...

Effective Interventions to Reduce Indoor Radon Levels

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Cellular/Mobile Phone Use and Intracranial Tumours

Cell phone use is increasingly prevalent in Canada. Public concerns of a potential associated risk with intracranial tumours have been raised. Further, recent media attention has focused on disparate precautionary policies implemented across jurisdictions in Canada and world-wide. In light of this and emerging epidemiological evidence, we review what is known about cell phone use and intracranial...

Cellular/Mobile Phone Use and Intracranial Tumours

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Current Evidence on the Effectiveness of Interventions During Heat Episodes

Topics: Climate Location: General, Canada

This summary provides current evidence on the effect iveness of a variety of described heat interventions by highlighting the strengths and weaknesses of each. The authors argue that in the absence of a formal evaluation of effectiveness, and given the limited evaluations of interventions so far accomplished, it is difficult to present a complete review on this topic. The authors also caution...

Current Evidence on the Effectiveness of Interventions During Heat Episodes

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Systematic Review of Human Biomonitoring Studies of Environmental Contaminants

This review synthesizes information on biological markers of exposure to environmental contaminants in Canada through a systematic search of the published and grey literature from January 1990 to January 2007, evaluates the studies, and summarizes the information in an easy access format. This review will make the Canadian work on biomonitoring for environmental contaminants more accessible to...

Systematic Review of Human Biomonitoring Studies of Environmental Contaminants

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How the New Analytical Geomatics Technologies can help Environmental Health Professionals and Decision-makers to make Further use of Mapping than what is offered traditionally by Geographic Information Systems (GIS) and Web Mapping

This review presents an analysis of geospatial applications in the health field. In this report we focus on the following technologies: spatial dashboard, spatial on line analytical processing (SOLAP), spatial data mining, and spatial data warehouse. Consequently, the report does not include a systematic review of traditional GIS of health practitioners.For environmental health professionals and...

How the New Analytical Geomatics Technologies can help Environmental Health Professionals and...

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