Showing 121-135 of 1108
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First insights into per-and polyfluoroalkyl substance contamination in edible fish species of the Indus water system of Pakistan
Science
17 Dec 2023 | Chemosphere
The study investigated the contamination of edible fish in major tributaries of the Indus System andfound high levels of PFAS, in certain fish species from areas with poor wastewater treatment in Pakistan, highlighting potential environmental and health concerns, and suggesting the need for ongoing monitoring and research into the bioaccumulation patterns of PFAS.
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Unregulated Active and Closed Textile Mills Represent a Significant Vector of PFAS Contamination into Coastal Rivers
Science
15 Dec 2023 | ACS ES&T Water
Sampling of rivers downstream from textile miles revealed higher concentrations of PFOS and PFCAs, demonstrating that both closed and active mills are important ongoing sources of PFAS to freshwater and marine regions.
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[Press Release] Dingell, Fitzpatrick, Ryan Introduce PFAS Action Act
Policy
14 Dec 2023
Representatives Debbie Dingell, Brian Fitzpatrick, and Pat Ryan, along with 13 additional members of Congress, introduced comprehensive, bipartisan legislation to protect Americans and the environment from harmful forever chemicals known as PFAS.
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Associations of a Prenatal Serum Per- and Polyfluoroalkyl Substance Mixture with the Cord Serum Metabolome in the HOME Study
Science
13 Dec 2023 | Environ Sci Technol
Prenatal exposure to a mixture of PFAS in mothers is linked to alterations in infant metabolic pathways, which can result in birthweight or vaccine response abnormalities.
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Associations of Prenatal Per- and Polyfluoroalkyl Substance (PFAS) Exposures with Offspring Adiposity and Body Composition at 16-20 Years of Age: Project Viva
Science
6 Dec 2023 | Environ Health Perspect
Prenatal exposure to PFAS impacted the body weight and composition of teenagers, finding that higher concentrations of these substances were associated with an increased risk of obesity and altered BMI trajectories during late adolescence.
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Per- and polyfluoroalkyl substances (PFAS) in little penguins and associations with urbanisation and health parameters
Science
4 Dec 2023 | Sci Total Environ
Tasmania penguins were found to be exposed to PFAS, with higher concentrations near urbanized breeding sites, resulting in potential health risks such as sex-specific associations with blood cell development and function.
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Prenatal exposure to Per-and polyfluoroalkyl substances and adiposity measures of children at 4 and 6 years: A prospective birth cohort in China
Science
1 Dec 2023 | Ecotoxicol Environ Saf
Exposure to PFAS during pregnancy was linked to increased adiposity in Chinese children at ages 4 and 6, with a stronger impact on measures like arm circumference and waist circumference, particularly among girls.
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Association between probiotic consumption and serum perfluoroalkyl and polyfluoroalkyl substances (PFAS): results from NHANES, 2003–2018
Science
28 Nov 2023 | Environ. Sci. Eur.
The consumption of probiotics through yogurt or supplements is associated with lower levels of certain PFAS, suggesting potential health benefits.
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Characterizing the Movement of Per-and Polyfluoroalkyl Substances in an Avian Aquatic–Terrestrial Food Web
Science
24 Nov 2023 | Environ. Sci. Technol.
Tree swallow nestlings were found to feed on both terrestrial and aquatic macroinvertebrates, leading to the bioaccumulation and biomagnification of PFAS, particularly PFOS, highlighting the complex and chemical-specific movement of PFAS through linked aquatic-terrestrial food webs.
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Exposure to perfluoroalkyl substances and longitudinal changes in bone mineral density in adolescents and young adults: A multi-cohort study
Science
23 Nov 2023 | Environ Res
Exposure to PFOS was found to be associated with lower bone mineral density in both Hispanic adolescents and mixed-ethnicity young adults, suggesting potential long-term impacts on bone health and increased risk of osteoporosis in adulthood.
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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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Exposure to perfluoroalkyl and polyfluoroalkyl substances and pediatric obesity: a systematic review and meta-analysis
Science
31 Oct 2023 | Int J Obes (Lond)
The review investigated the potential impact of PFAS on childhood obesity. It observed a possible inverse relationship between postnatal PFAS exposure and changes in body mass index though the review was limited by the small number of studies.
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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.