Per- and polyfluoroalkyl substances (PFAS), known as “forever chemicals”, are used across various industries, from electronics to aerospace. However, they have also found their way into everyday consumer products, raising public concern due to their harmful effects on people’s health. “PFAS are these man-made chemicals, they don’t occur naturally, we have to make them in the lab,” Dr Shelley Liu, associate professor at the Icahn School of Medicine at Mount Sinai, told Euronews Health. “They are really useful because they have these water resistant, oil repellent, stain resistant properties, so…