From PBS NewsHour.

What do non-stick pans, firefighting foam and many of our couches, carpets and cosmetics have in common? They’re all made with PFAS. The so-called forever chemicals helped spur innovation, but they’re also insidious to human health. Horizons moderator William Brangham explores these chemicals and how we can protect ourselves with investigative journalist Mariah Blake and scientist Laurel Schaider.

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