PFAS are found in the blood of every human on this planet. Google "sources of PFAS" and you'll learn Teflon products are a primary source.
For example[1]
> the main route of PFAS exposure for most Americans:
> Teflon and other brands of nonstick cookware are still produced with new PFAS that may be no safer.
[1] https://www.ewg.org/pfaschemicals/what-are-forever-chemicals...