‘Clear Evidence’ PFOA Increases Cancer Risk in Male Rats: Study

Oct. 15, 2019, 6:26 PM

Experiments show that the ubiquitous chemical perfluorooctanoic acid (PFOA) could cause cancer in rats—and by extension in people—according to a new National Toxicology Program study.

The study, which is out for public comment and a scientific critique in December, examined whether exposure to PFOA in the womb and in the weeks after birth through lactation added additional risk of getting cancer.

It found “clear evidence” that PFOA caused tumors in male rats, with the early life exposure increasing that risk. The study offered “some evidence” that PFOA could cause cancer in female rats, although early life exposure didn’t affect ...

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