Topic Pages

Our topic pages introduce the reader to important and emerging environmental public health issues through a curated list of NCCEH and external resources. The most relevant resources have been selected to best guide the search for further information. Topic pages are reviewed and updated with new content periodically. 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 refers to illnesses caused by eating marine bivalve shellfish (e.g., clams, mussels, oysters, scallops, cockles) that contain biotoxins, which shellfish can accumulate when…
Antimicrobial resistance (AMR) is the ability of microorganisms to survive in the presence of drugs meant to inhibit or kill them. AMR poses a serious threat to human health, and risks the emergence…
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 provision of safe drinking water across Canada is a responsibility shared across many agencies. At the federal level, Health Canada sets Drinking Water Guidelines for contaminants in drinking…
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…
Cyanobacteria, commonly known as blue-green algae, are naturally occurring microscopic organisms found in fresh, brackish, or marine water that can release cyanotoxins into freshwater systems. These…
BackgroundAspects of the built environment, including man-made and natural features, impact human health directly and indirectly through air quality, traffic injuries, and toxic substances. These…
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…
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…
Floatation or float tanks have resurged in popularity since their initial commercialization in the 1970s. These tanks, pods, or chambers are intended to help users achieve certain physical and mental…