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  2. Per- and polyfluoroalkyl substances - Wikipedia

    en.wikipedia.org/wiki/Per-_and_polyfluoroalkyl...

    Bioaccumulation of PFAS: PFASs from sediments and water can accumulate in marine organisms. Animals higher up the food chain accumulate more PFAS because they absorb PFAS in the prey they consume. In marine species of the food web. Bioaccumulation controls internal concentrations of pollutants, including PFAS, in individual organisms.

  3. Perfluorohexanesulfonic acid - Wikipedia

    en.wikipedia.org/wiki/Perfluorohexanesulfonic_acid

    Perfluorohexanesulfonic acid (PFHxS) (conjugate base perfluorohexanesulfonate) is a synthetic chemical compound.It is one of many compounds collectively known as per- and polyfluoroalkyl substances (PFASs).

  4. Are PFAS really 'forever chemicals'? It's complicated. Here's ...

    www.aol.com/pfas-really-forever-chemicals...

    The risks of PFAS, sometimes known as "forever chemicals," have long been known. But it's more complicated than it sounds. ... Food. Games. Health.

  5. Perfluorononanoic acid - Wikipedia

    en.wikipedia.org/wiki/Perfluorononanoic_acid

    In 2020, the European Food Safety Authority added PFNA in its revised safety threshold for PFAS that accumulate in the body. They set the threshold for a group of four PFAS of a tolerable weekly intake of 4.4 nanograms per kilogram of body weight per week. [29]

  6. PFAS 'forever chemicals' can harm you. So where are they found?

    www.aol.com/pfas-forever-chemicals-harm-where...

    Per-and polyfluoroalkyl substances are found in thousands of products most Americans use or come into contact with daily, such as: Food containers that have PFAs are waterproof and grease-proof ...

  7. PFAS, toxic 'forever chemicals', found in Topeka, but little ...

    www.aol.com/pfas-toxic-forever-chemicals-found...

    Per- and polyfluorinated alkyl substances, or PFAS, are a group of nearly indestructible chemicals that build up in the human body over time. Known as "forever chemicals," they’ve been used ...

  8. Timeline of events related to per- and polyfluoroalkyl ...

    en.wikipedia.org/wiki/Timeline_of_events_related...

    Some, but not all, studies in humans with PFAS exposure have shown that certain PFAS may affect growth, learning, and behavior of infants and older children, lower a woman's chance of getting pregnant, interfere with the body's natural hormones, increase cholesterol levels, affect the immune system, and increase the risk of cancer."

  9. Perfluorooctanesulfonic acid - Wikipedia

    en.wikipedia.org/wiki/Perfluorooctanesulfonic_acid

    Perfluorooctanesulfonic acid (PFOS) (conjugate base perfluorooctanesulfonate) is a chemical compound having an eight-carbon fluorocarbon chain and a sulfonic acid functional group, and thus it is a perfluorosulfonic acid and a perfluoroalkyl substance (PFAS).