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The Conversation USA

You can be exposed to PFAS through food, water, even swimming in lakes – new maps show how risk from ‘forever chemicals’ varies

  • Written by Ruohao Zhang, Assistant Professor of Agricultural Economics, Penn State

Since the 1940s, companies have been using PFAS – perfluoroalkyl and polyfluoroalkyl substances – to make products easier to use, from Teflon nonstick pots to waterproof rain gear, stain-resistant carpet and firefighting foam.

The chemicals’ resistance to heat, oils, stains, grease and water makes them useful. However, that same...

Read more: You can be exposed to PFAS through food, water, even swimming in lakes – new maps show how risk...

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