The Onus is on the Ill: Environmental Contaminants and Hormonal Health Issues

This research paper by Honour Stahl, published by the Canadian Association of Physicians for the Environment, argues that endocrine-related health issues—such as endometriosis, PCOS, and breast cancer—are significantly driven by ubiquitous environmental contaminants rather than solely by individual genetics or lifestyle. The author critiques the current medical and regulatory landscape for placing the burden of prevention on the ill while allowing corporations to profit from both the production of harmful chemicals and the treatment of the resulting diseases.

• Endocrine disrupting chemicals (EDCs), including xenoestrogens, parabens, pesticides, and plastics, negatively impact human health by mimicking estrogen and antagonizing estrogen receptors. This interference affects metabolic, epigenetic, growth, and reproductive processes, and is linked to neurological disease, abnormal brain development, interrupted metabolism, and anxiety.
• Exposure to EDCs is nearly universal due to their presence in air, food, water, and most commercial plastic products. Evidence includes a 2005 finding that EDCs were present in 100% of tested blood samples and a May 2022 study providing the first evidence of microplastics in human blood.
• There is a systemic conflict of interest where biotech and pharmaceutical companies profit from the manufacture of carcinogenic chemicals while simultaneously producing the treatments for the diseases those chemicals cause and sponsoring educational awareness campaigns.
• Sociological and political structures, such as consumerism, planned obsolescence, and regulatory gaps, exacerbate chemical pollution. Furthermore, health issues like PCOS, endometriosis, and infertility are often under-treated or dismissed as normal because they primarily affect women and AFAB (Assigned Female at Birth) individuals.
• The author calls for collective action to shift the responsibility for health outcomes from the individual to the economic and political systems. Specific recommendations include lobbying for government action and supporting a strengthened Bill S-5 to modernize the Canadian Environmental Protection Act (CEPA).

APA

Stahl, H. (2022). The Onus is on the Ill: Environmental Contaminants and Hormonal Health Issues. Canadian Association of Physicians for the Environment. https://cape.ca/the-onus-is-on-the-ill-environmental-contaminants-and-hormonal-health-issues/

Chicago

Stahl, Honour. The Onus is on the Ill: Environmental Contaminants and Hormonal Health Issues. Canadian Association of Physicians for the Environment, 2022. https://cape.ca/the-onus-is-on-the-ill-environmental-contaminants-and-hormonal-health-issues/.

Wikipedia

{{cite report |last1=Stahl |first1=Honour |title=The Onus is on the Ill: Environmental Contaminants and Hormonal Health Issues |publisher=Canadian Association of Physicians for the Environment |date=11 August 2022 |url=https://cape.ca/the-onus-is-on-the-ill-environmental-contaminants-and-hormonal-health-issues/ |access-date=17 August 2026 |via=Climate Insights Directory}}

BibTeX

@techreport{stahl2022onus, author = {Stahl, Honour}, title = {{The Onus is on the Ill: Environmental Contaminants and Hormonal Health Issues}}, institution = {Canadian Association of Physicians for the Environment}, year = {2022}, month = aug, url = {https://cape.ca/the-onus-is-on-the-ill-environmental-contaminants-and-hormonal-health-issues/}, urldate = {2026-08-17}, note = {Indexed by Climate Insights Directory} }