3 trends tracked about this subject — the full history, oldest to newest below.
Levels of the two most toxic forever chemicals in England's rivers have fallen by nearly a third over the last decade, according to new Environment Agency data.
A new NIH study links higher blood levels of two common PFAS chemicals to a significantly increased risk of aggressive ER-negative breast cancer.
An NIH study found women with the highest blood levels of PFOA and PFOS had a 67 percent and 93 percent higher risk of ER-negative breast cancer, respectively.