Study links PFAS exposure to weaker immune response, raising water protection needs
New research finds that exposure to PFAS may weaken the immune system in adults, raising new concerns about the long-term health effects of these widely used chemicals. Per- and polyfluoroalkyl substances, or PFAS, are a large class of human-made chemicals used in products ranging from nonstick cookware and stain-resistant fabrics to firefighting foams. Often called “forever …