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The United States Environmental Protection Agency defines PFAS in the Drinking Water Contaminant Candidate List 5 as substances that contain "at least one of the following three structures: R−CF 2 −CF(R')R", where both the −CF 2 − and −CF− moieties are saturated carbons, and none of the R groups can be hydrogen; R−CF 2 −O−CF 2 ...
This chemical, called perfluorohexanoic acid, or PFHxA, is a type of substance known as PFAS, which are found in a range of household items and have been linked to health issues.
“One recent Swedish study reports it to be the third most abundant PFAS in our blood,” he points out. Perfluorohexanoic acid may do more than circulate in the blood, though.
The monomers of such perfluoroalkoxy alkane polymers, in common with other per- and polyfluoroalkyl substances, are widespread in the environment due to human production and release of the chemicals; so durable that they are referred to as "forever chemicals"; and have detrimental health concerns not yet fully understood. [10]
In 2023, the Government of Canada is considering addressing PFAS as a class rather than as individual substances or in smaller groups. A report to conclude that PFAS as a class are harmful to human health and the environment, and to define risk management aspects and alternatives to PFAs, is under development.
Microplastics, PFAS and mold: Common kitchen items may be impacting your health and safety. Here's how to reduce your risk. From plastic cutting boards to nonstick pans, these 5 kitchen staples ...
PFAS has been found in almost all human blood samples tested, one study found 97% of Americans has PFAS in their blood. [27] PFAS chemicals have been linked to high cholesterol, [ 28 ] altered kidney and thyroid function, [ 29 ] ulcerative colitis, [ 30 ] immunosuppression, [ 31 ] decreased effectiveness of vaccines, [ 32 ] low birth weight ...
The U.S. Environmental Protection Agency in March proposed the first federal drinking water limits on six forms of PFAS, or per- and polyfluorinated substances, which remain in the human body for ...