If you’d like to ask a question, share feedback, or suggest a collaboration — I’ll be happy to hear from you! PFAS (per- and polyfluoroalkyl substances) are also known as “forever chemicals” because they do not break down easily in nature and are extremely difficult to collect or dispose of. These chemicals appeared in the late 1940s and quickly became popular due to their water-repellent properties. They were added to cookware (like Teflon pans), toys, cosmetics, toilet pape