Browse COVID-19 resources from partners and CCSA experts – trusted sources for your information and research needs.

Canadian Centre on Substance Use and Addiction

Clearing the Smoke on Cannabis: Respiratory Effects of Cannabis Smoking

Reviews research on the respiratory effects of cannabis smoking and the range of respiratory symptoms reported by those who smoke cannabis regularly. Although not all cannabis users will suffer from the most serious conditions, there are common respiratory ailments that affect a relatively large number of cannabis smokers, such as a greater incidence of cough, wheeze, aggravation of asthma, sore throat, chest tightness, shortness of breath and hoarse voice. Following a review of the evidence, this report discusses implications for policy and practice.

We use cookies to ensure that we give you the best experience possible on our website. 

You can change your cookie settings in your web browser at any time. If you continue without changing your settings, we’ll assume that you are happy to receive cookies from our website. Review our Privacy Notice for more information.