Selected References and Evidence Base
Multiple Chemical Sensitivity (MCS)
American Medical Association. (2025). Policy H-135.902: Fragrance sensitivity.
Recognizes fragrance sensitivity as a condition that may limit major life activities and supports fragrance-free policies, ingredient transparency, research, and clinical awareness.
https://policysearch.ama-assn.org/policyfinder/detail/%22Fragrance%20Regulation%20H-135.902%22?uri=%2FAMADoc%2FHOD.xml-H-135.902.xml
Canadian Human Rights Commission. (n.d.). Policy on environmental sensitivities. Government of Canada.
Recognizes environmental sensitivities, including multiple chemical sensitivity, as a disability and identifies scent-free and low-toxicity environments as required accommodations.
https://www.chrc-ccdp.gc.ca/resources/publications/environmental-sensitivities-and-scent-free-policies
Statistics Canada. (2000–present). Canadian Community Health Survey (CCHS): Multiple chemical sensitivity. Government of Canada.
Population-level data indicate that over 1.13 million Canadians have been diagnosed with multiple chemical sensitivity.
Summary available at:
https://aseq-ehaq.ca/en/mcs-statistics/
United Nations Committee on the Rights of Persons with Disabilities. (2025). Concluding observations on the combined second and third periodic reports of Canada.
https://tbinternet.ohchr.org/_layouts/15/treatybodyexternal/Download.aspx?symbolno=CRPD%2FC%2FCAN%2FCO%2F2-3&Lang=en
Molot, J., Sears, M., & Anisman, H. (2023, February 28). Multiple chemical sensitivity: It’s time to catch up to the science. SSRN.
https://doi.org/10.2139/ssrn.4373616
Note: click here to view the full report from the AMA’s Council on Science and Public Health. The AMA’s stance on fragrance is listed under the Resolution 501-A-24 and can be found in the pages 749–783.
A joint initiative of the Environmental Health Association of Canada (EHAC-ASEC) and the Environmental Health Association of Québec (ASEQ-EHAQ).