Explainer: what are PFAS?

By Matilda Handsley-Davis
September 25 2022 - 3:00pm
File picture.
File picture.

If you follow the science news, you'll probably see research about PFAS - where they're found, where they come from, and their impacts on health and the environment - coming out every week. But what actually are these chemicals, and why is there so much interest in them?

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