Close to half of America’s tap water contains PFAS, or perfluoroalkyl and polyfluoroalkyl substances[1]. These “forever chemicals” are in thousands of products, from clothing and cosmetics to cleaning products[2], and are linked to cancers, liver damage, high cholesterol and asthma[3].
Dr. Jessica Ray[4], assistant professor of civil and environmental engineering at the University of Washington, explains what PFAS are, how...