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Topic Pages

Topic Pages introduce an aspect of the environment and its relation to public health by featuring a curated shortlist of NCCEH and external resources. The most relevant resources related to a topic have been selected to best guide the search for further information. These lists are not intended to be exhaustive, and the omission of any individual resource does not preclude it from having value.

Marine Shellfish Poisoning

Marine shellfish poisoning refers to illnesses in humans caused by consumption of marine bivalve shellfish (e.g., clams, mussels, oysters, scallops, cockles) that contain biotoxins (e.g., domoic acid, okadaic acid, saxitoxin). Shellfish feed by filtering microscopic marine plants, called phytoplankton, from the water. Some species of phytoplankton naturally produce toxins. These toxins can cause...

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Cannabis Resources for Environmental Health Practitioners

This topic page is intended to help environmental health practitioners understand the guiding principles and public health objectives being used to develop cannabis policy, both federally and across the provinces and territories. It also provides key resources describing the “lessons learned” in non-Canadian jurisdictions with legalized cannabis, as well as information regarding environmental...

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Ethnic and Specialty Foods

Topics: Food

The definition of “ethnic food” depends on the geographic and cultural context in which the cuisine is found. Broadly speaking, ethnic foods are defined by others outside of the respective ethnic groups as cuisines originating from the heritage and culture of specific ethnic groups. For example, Chinese food, Mexican food, Italian food, etc., are only considered to be ethnic foods outside of...

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Norovirus

Norovirus is a group of highly contagious viruses that cause short-term gastroenteritis symptoms including nausea, vomiting, diarrhoea, and potentially chills and fever. Norovirus infection can occur by contact with a person carrying the virus, touching or using contaminated surfaces (e.g., door knobs, light switches, utensils), food or drinking water. Infections are more common in winter as...

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Food Environments

The foods that people choose to consume are influenced by the availability, affordability, and accessibility of foods in the environments in which they live, work, and play. Defined by the built and social environments, including physical, social, economic, cultural, and political factors, food environments play an important role in shaping diets and eating habits. A healthy food environment...

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Food Resources

Topics: Food

Public health is affected by the food choices people make, the quality and quantity of food available, and the ways food is produced. The modernization of food systems has resulted in complex environments in which food is produced, processed, distributed, and ultimately disposed. Land use planning and retail environments shape how and where people grow, buy, prepare, and eat food. Contaminated...

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