Canadian Medical Association 2025 health and media annual tracking survey. 2nd edition

Survey of the Canadian population finds high presence of, and exposures to, misinformation online. More than 33% of Canadians report having avoided at least one effective treatment because of inaccurate information. Approximately 1 in 4 Canadians believe in the chemtrails conspiracy, that the mercury preservative in vaccines (thimerosal) could cause autism, and that 5G causes cancer.