Scientists sound alarm at US regulator’s new ‘forever chemicals’ definition

…PFAS, or per- and polyfluoroalkyl substances, are a class of about 12,000 compounds most frequently used to make products water-, stain- and grease-resistant. They are in thousands of products across dozens of industries, and have been linked to cancer, birth defects, decreased immunity, high cholesterol, kidney disease and a range of other serious health problems. They are dubbed "forever chemicals" due to their longevity in the environment...

https://www.theguardian.com/environment/2022/apr/05/epa-pfas-definition-scientists-forever-chemicals