Teflon cookware does not cause cancer. Perfluorooctanoic acid (PFOA) is another man-made chemical that is used in the process of making Teflon, although it is burned off during the process and is not present in large quantities in the final product. Teflon itself is not suspected to cause cancer.
Are non stick pans bad for you?
Most nonstick pans are coated with polytetrafluoroethylene, also known as Teflon. And there are a lot of rumors out there that Teflon might be toxic and that these pans may not be safe to use. The good news is that ingesting small flakes of nonstick coating is not dangerous.
Is it safe to eat Teflon?
So if you accidentally eat a piece of the coating, it will not hurt you. Non-stick coatings (such as Teflon) are a perfluorocarbon resin. Use only mild abrasives to clean non-stick cookware Do not use badly scratched non-stick coated cookware because the metal beneath the coating might not be safe for food contact.