The next time you eat carryout pizza, think about why the grease doesn’t seep through the cardboard.
Or when you hear popcorn popping in a bag in your microwave, ask yourself why the paper doesn’t burst into flames.
The answer is PFAS. That’s short for polyfluoroalkyl substances.
They are a group of some 4,700 chemicals that are virtually everywhere.
Besides pizza boxes and microwave popcorn, they are used in carpets and upholstery, fast-food wrappers, dental floss, nonstick cookware, fire-resistant fabrics, electrical insulation, and plastics.… Read More