New York Times: Commonly Used Chemicals Come Under New Scrutiny

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A top federal health official and hundreds of environmental scientists on Friday voiced new health concerns about a common class of chemicals used in products as varied as pizza boxes and carpet treatments.

The concerted public campaign renews a years-old debate about a class of chemicals known as poly- and perfluoroalkyl substances, or PFASs. After studies showed that some PFASs lingered in people’s bodies for years, and appeared to increase the risks of cancer and other health problems, the chemical manufacturer DuPont banned the use of one type of PFAS in its popular Teflon products, and other companies followed suit.

Eric Lipton and Rachel Abrams