Showing 31-45 of 1002
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Comparison of Serum PFAS Concentrations in Incumbent and Recruit Firefighters and Longitudinal Assessment in Recruits
Science
28 Nov 2023 | J Occup Environ Med
Incumbent firefighters had lower n-PFOA and PFNA than recruits and most PFAS significantly decreased over time among male recruits, suggesting that firefighting activities may not increase PFAS exposure.
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Per-and polyfluoroalkyl substances (PFAS) in Canadian municipal wastewater and biosolids: Recent patterns and time trends 2009 to 2021
Science
19 Nov 2023 | Sci. Total Environ.
PFOS and PFOA remain in Canadian wastewater and biosolids, with concentrations of long-chain PFAS – except for PFOS – decreasing over time, while short-chain PFAS, used as replacements, show a consistent increase in wastewater between 2009 and 2021.
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Per- and poly-fluoroalkyl substances in commercial organic eggs via fishmeal in feed
Science
7 Nov 2023 | Chemosphere
Organic eggs from certain farms in Denmark were found to contain elevated levels of PFAS originating from fishmeal used in organic feed, leading to the voluntary removal of fishmeal from the feed by producers to mitigate PFAS exposure.
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Prevalence and Source Tracing of PFAS in Shallow Groundwater Used for Drinking Water in Wisconsin, USA
Science
2 Nov 2023 | Environ Sci Technol
Human waste sources, septic systems in particular, are important sources of PFAAs, especially ones with 8 or less perfluorinated carbons, in shallow groundwater.
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Chemical crisis: The unseen toxic threat contaminating wildlife worldwide
News
28 Oct 2023 | The Hill
An unseen but growing chemical contamination crisis is threatening wildlife across all seven continents, exacerbating a host of environmental threats they’re already facing.
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Trends in Serum Per-and Polyfluoroalkyl Substance (PFAS) Concentrations in Teenagers and Adults, 1999–2018 NHANES
Science
27 Oct 2023 | Int. J. Environ. Res. Public Health
Some longer chain PFAS levels in serum have decreased over time, however they are still detected in drinking water and consumer products, with certain racial/ethnic groups showing differing levels of exposure, highlighting the need for continued monitoring.
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Per- and Polyfluoroalkyl Substances (PFAS) in PubChem: 7 Million and Growing
Science
23 Oct 2023 | Environ. Sci. Technol.
The Organisation for Economic Co-operation and Development's 2021 revision of the PFAS definition has led to the inclusion of over 7 million PFAS compounds in PubChem.
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[Workshop] Beyond Science and Decisions: PFAS Limits: How Did We Get So Far Apart? Public Health and Policy Implications
Events
17 Oct 2023
A multi-stakeholder approach to share information on differing PFAS/PFOA risk assessments that are supporting the development of widely different regulations. October 17-19, 2023 | Washington, DC.
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Association of per- and polyfluoroalkyl substance exposure with metabolic syndrome and its components in adults and adolescents
Science
16 Oct 2023 | Environ Sci Pollut Res Int
A population-based study found that PFAS were negatively associated with the prevalence of metabolic syndrome in both adults and adolescents, although there were conflicting findings across different components of this syndrome, indicating a complex relationship between PFAS exposure and metabolic health.
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Environmental exposure to legacy and emerging per- and polyfluoroalkyl substances and endometriosis in women of childbearing age
Science
14 Oct 2023 | Sci. Total Environ.
PFOA and certain PFOS isomers were positively associated with an increased risk of endometriosis.
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Estimation of the Half-Lives of Recently Detected Per- and Polyfluorinated Alkyl Ethers in an Exposed Community
Science
6 Oct 2023 | Environ Sci Technol
The biological half-lives of fluoroethers were found to be shorter compared to PFOA and PFOS, but longer than PFHxA and PFHpA according to a model combining estimates from exposed populations and literature values.
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Per-and polyfluoroalkyl substances (PFAS) in grocery store foods: method optimization, occurrence, and exposure assessment
Science
5 Oct 2023 | Environ Sci Process Impact
Enhanced PFAS detection methods for various food types revealed that 16 out of 22 grocery store products contained PFAS with some foods exceeding recommended daily intake limits set by the EPA.
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Per-and polyfluoroalkyl substances, gestational weight gain, postpartum weight retention and body composition in the UPSIDE cohort
Science
11 Sep 2023 | Environmental Health
PFOA and PFHxS exposure during pregnancy are associated with altered patterns of gestational weight gain and post-partum adiposity with potential implications for fetal development and long-term maternal cardiometabolic health.
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Per- and polyfluoroalkyl substances and sleep health in U.S. adults, NHANES 2005-2014
Science
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.
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Prenatal and Childhood Per- and Polyfluoroalkyl Substance (PFAS) Exposures and Blood Pressure Trajectories From Birth to Late Adolescence in a Prospective US Prebirth Cohort
Science
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.