What are PFAS -‘forever chemicals’- and are they bad for us?


PFAS (per- and polyfluoroalkyl substances) can be found in many everyday items from cosmetics to raincoats and non-stick pans. They’ve also been found in food and water – and even in our bodies. But what exactly are they? And are they dangerous? Scientist Mark Miodownik explores.

Made by BBC Ideas in partnership with the Royal Society., external

  • Panorama: The Truth About Forever Chemicals on BBC iPlayer (UK)

  • Listen to BBC Inside Science: Where do forever chemicals come from?

Film by Christopher Brooks. Presenter: Mark Miodownik

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Publish date : 2026-02-11 08:53:00

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