Per- and polyfluoroalkyl substances and organofluorine in lakes and waterways of the northwestern Great Basin and Sierra Nevada

10 Sep 2023 | Sci Total Environ

PFAS were detected in 85% of samples, with 6:2 FTS detection indicating AFFF impacts in surface waters.

Adverse birth outcomes related to concentrations of per- and polyfluoroalkyl substances (PFAS) in maternal blood collected from pregnant women in 1960-1966

9 Sep 2023 | Environ Res

Using data from a US-based cohort study, measured maternal PFAS levels from the 1960s were extremely high and were associated with lower birth weight and impaired fetal growth.

Per- and polyfluoroalkyl substances and sleep health in U.S. adults, NHANES 2005-2014

6 Sep 2023 | Environ Res

No indications were found that exposure to four legacy PFAS compounds has a detrimental impact on the self-reported sleep quality of U.S. adults.

Dermal bioaccessibility of perfluoroalkyl substances from household dust; influence of topically applied cosmetics

6 Sep 2023 | Environ Res

In vitro testing revealed that dermal contact with dust may be an important exposure pathway for many PFAS, and that personal care products like sunscreen and moisturizer may change how the body is exposed to PFAS through the skin.

Comparative study of Per-and Polyfluoroalkyl substances (PFAS) removal from landfill leachate

31 Aug 2023 | Chemosphere

Foam fractionation and anion exchange resin treatment were the most cost-effective methods for removing >90% of PFOA and PFOS, while nanofiltration was the only method practical for short-chain PFAS removal.

First observations of a potential association between accumulation of per- and polyfluoroalkyl substances in the central nervous system and markers of Alzheimer's disease

31 Aug 2023 | J Gerontol A Biol Sci Med Sci

PFAS accumulation in the central nervous system was potentially linked to clinical and biological markers of Alzheimer’s disease.

Novel Per- and Polyfluoroalkyl Substances Discovered in Cattle Exposed to AFFF-Impacted Groundwater

30 Aug 2023 | Environ Sci Technol

The results suggest that targeting only the major PFAS analytes in bovine serum of AFFF-exposed mammals likely underestimates the toxicological risks associated with their exposure.

Association between a Mixture of Per- and Polyfluoroalkyl Substances (PFAS) and Inflammatory Biomarkers in the Atlanta African American Maternal-Child Cohort

30 Aug 2023 | Environ Sci Technol

Prenatal PFAS exposure is associated with an increase in multiple inflammatory biomarkers that may contribute to adverse pregnancy outcomes such as preeclampsia, premature labor, and fetal growth restriction.

Prenatal exposures to mixtures of endocrine disrupting chemicals and sex-specific associations with children's BMI and overweight at 5.5 years of age in the SELMA study

30 Aug 2023 | Environ Int

Prenatal exposure to a mixture of endocrine-disrupting chemicals was associated with lower BMI in only young girls, with chemicals of concern including phthalates, bisphenols, plasticizers, PAHs, and PFNA.

Prenatal and Childhood Per- and Polyfluoroalkyl Substance (PFAS) Exposures and Blood Pressure Trajectories From Birth to Late Adolescence in a Prospective US Prebirth Cohort

29 Aug 2023 | J Am Heart Assoc

Prenatal and childhood PFAS exposures were associated with blood pressure at specific times, but associations were not consistent across all time points or PFAS types.

Exposure to Per-and Polyfluoroalkyl Substances in Women With Twin Pregnancies: Patterns and Variability, Transplacental Transfer, and Predictors

28 Aug 2023 | J. Hazard. Mater.

PFOS, PFOA, and 6:2 Cl-PFESA were identified as the most dominant PFAS in both maternal and twin cord serum.

Toward Advancing Precision Environmental Health: Developing a Customized Exposure Burden Score to PFAS Mixtures to Enable Equitable Comparisons Across Population Subgroups, Using Mixture Item Response Theory

24 Aug 2023 | Environ Sci Technol

After analyzing national PFAS biomonitoring data with an algorithm that allows for better comparisons, researchers found that both Asian Americans and people with higher household incomes had higher PFAS burdens.

Assessment of poly- and perfluoroalkyl substances (PFAS) in commercially available drinking straws using targeted and suspect screening approaches

24 Aug 2023 | Food Addit Contam Part A Chem Anal Control Expo Risk Assess

PFAS were detected in all types of straws in the Belgian market except for stainless steel, with higher frequencies in glass and plant-based materials like paper and bamboo.

How Should We Interpret the New Water Quality Regulations for Per-and Polyfluoroalkyl Substances?

23 Aug 2023 | ACS ES&T Water

Proposed PFAS regulations should be coherent to minimize exposure and risks and remediation approaches should be balanced to reduce overall exposure across the various sources of exposure.

Chronic Exposure to a PFAS Mixture Resembling AFFF-Impacted Surface Water Decreases Body Size in Northern Leopard Frogs

23 Aug 2023 | Environ Sci Technol

Exposure to a PFAS mixture resembling those in AFFF-contaminated waters inhibits growth in amphibians undergoing metamorphosis in outdoor aquatic environments.