The transmission of SARS-CoV-2, the virus that causes COVID-19, occurs primarily via direct contact with or respiratory droplets from an infected person. However, there is evidence to suggest that…
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. These lists are not intended to be exhaustive, and the omission of any individual resource does not preclude it from having value.
Topics:
Contaminants and Hazards, Pesticides
Neonicotinoids (also referred to as “neonics”) are insecticides derived from nicotine. They act by binding strongly to nicotinic acetylcholine receptors in the central nervous system of insects,…
Indigenous communities may be disproportionately impacted by a variety of emergencies and disasters, including floods, wildfires, and crude…
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…
Lead is a potent neurotoxin that is commonly present in our environment and can have serious, irreversible cognitive and behavioral impacts, particularly in children. Historically, most lead…
Background
Aspects of the built environment, including man-made and natural features, impact human health directly and indirectly through air quality, traffic injuries, and toxic…
Topics:
Pesticides
Pesticides are chemicals developed to prevent or destroy unwanted species including insects (insecticides) and weeds (herbicides). Organochlorines and organophosphates, developed prior to the…
Topics:
Contaminants and Hazards, Infectious Diseases, Food, Water
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…
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…
Carbon monoxide (CO) is an odourless, colourless, and non-irritating gas that is harmful to humans. As a by-product of incomplete combustion, CO is produced by fuel-burning appliances including…
Topics:
Built Environment, Pest Control
Bed bugs (Cimex lectularius) are small, elusive, and resilient insects that live by feeding on the blood of mammals, including humans. Bed bug infestations have become prominent worldwide…