5 Toxins to avoid and Why: PFOA (Teflon)

From CNN's Toxic America Series

PFOA -- Perfluorooctanoic acid (also called C8)

What it does: PFOA is used to make Teflon and thousands of other nonstick and stain- and water-repellent products.

Where they're found: PFOA is present in Teflon and other nonstick or stain- and water-repellent coatings as a trace impurity. These coatings are used on cookware, waterproof breathable clothing, furniture and carpets and in a myriad of industrial applications. PFOA can also be produced by the breakdown of these products.

How we're exposed: Inhaling contaminated air, eating contaminated food and drinking contaminated water. Some researchers say nonstick pans give off PFOA vapors, which contaminate food.

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