Priority 4: Home Environment
When replacing carpeting, choose PFAS-free options. Vacuum and dust regularly to reduce PFAS in house dust. When purchasing new furniture, look for PFAS-free certifications on stain-resistant fabrics.
Blood Testing: Is It Worth It
PFAS blood testing can be informative but has limitations.
Reasons to consider testing:
- You live near a known PFAS contamination site
- Your drinking water has tested above EPA MCLs
- You have occupational PFAS exposure history (firefighting, manufacturing)
- You want a baseline measurement before and after exposure reduction efforts
Limitations to understand:
- No established clinical threshold triggers specific medical treatment
- Results reflect past exposure that cannot be undone, only future exposure that can be reduced
- Testing costs $200-500+ and may not be covered by insurance
- Standard panels measure only 5-12 PFAS out of thousands of compounds
The NASEM 2022 report provides the most actionable clinical framework, recommending that individuals with blood PFAS above certain levels receive periodic health monitoring for thyroid function, kidney function, cholesterol, and certain cancers.
The Cookware Question in Context
We frequently hear from parents who are anxious about their air fryers and nonstick pans. Here is the honest context.
Cookware is a real PFAS exposure source, but for most families it is not the dominant one. A 2022 study modeling PFAS exposure pathways estimated that drinking water and diet contribute significantly more to total body burden than cookware for the average American household.
This does not mean cookware does not matter. It means that if you are going to invest time and money in reducing PFAS body burden, start with water filtration, then address diet and food packaging, and then update cookware - in that order of impact.