Not everyone will want to read this. It does get a bit detailed, however, if you are curious how these forever chemicals work, read on. References are provided at the end. PFAS do not make a child, adult, or older person ill in a simple one-cause, one-disease way. They act more like persistent chemical stressors.…

Land used for fire-fighting training can remain polluted for decades if aqueous film-forming foams were used. Many older foams contained PFAS, including PFOS and PFOA. These chemicals resist heat, water, and natural breakdown, so they can persist in soil and ground water long after the source has ceased. A site last used for training 30…