Water contaminated with PFAS, commonly known as “forever chemicals,” has been linked to a higher incidence of several forms of cancer, according to a recent study published in the Journal of Exposure Science and Environmental Epidemiology.
What Are PFAS?
PFAS (Per- and polyfluoroalkyl substances) are a group of thousands of chemicals used in the manufacturing of industrial products and consumer goods. Known for their water- and stain-resistant properties, PFAS are found in items such as:
- Food packaging
- Non-stick cookware
- Fire extinguishing foam
- Furniture and upholstery
- Paint and sealants
- Shampoos and cosmetics
Their strong chemical bonds make PFAS exceptionally durable, persisting in the environment for thousands of years and remaining in the human body for several years. This resilience has earned them the nickname “forever chemicals.”
PFAS and Cancer Risks
The study linked PFAS-contaminated water to up to a 33% increase in the incidence of certain cancers, including:
- Oral cavity/pharynx cancer
- Brain cancer
- Thyroid cancer
- Endocrine-related cancers
The research also found variations in cancer risks based on sex. Males experienced higher incidences of cancers such as urinary system and brain cancer, while females were more likely to develop thyroid and oral cavity/pharynx cancers.
While the study is exploratory and does not establish a causal relationship, it highlights the need for further research into the health effects of PFAS exposure.
Broader Health Impacts of PFAS
Beyond cancer, PFAS exposure has been linked to:
- Harm to liver and kidney function
- Reproductive health issues
- Developmental delays in children
- Increased obesity risk
- Endocrine system disruption
Reducing Your Exposure to PFAS
Given the widespread use of PFAS, avoiding exposure entirely is challenging. However, there are steps you can take to reduce your risk:
- Check water quality reports in your area to determine if PFAS levels are monitored.
- Install a water filtration system capable of removing PFAS and other contaminants.
- Avoid non-stick cookware and reduce consumption of fast food and other products with grease-resistant packaging.
While individual actions can help, experts emphasize the need for systemic policy changes to address the prevalence of PFAS in the environment.
Takeaway
PFAS, found in nearly half of U.S. water supplies, pose significant health risks, including an increased likelihood of certain cancers. While the study does not confirm a direct cause-and-effect relationship, it underscores the importance of addressing PFAS contamination through both individual precautions and broader policy measures.
Further research is critical to better understand the impact of these chemicals and to develop strategies for reducing exposure.
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