Showing 61-75 of 1056
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Occurrence and pattern of legacy and emerging per-and Poly-FluoroAlkyl substances (PFAS) in eggs of loggerhead turtle Caretta caretta from western Mediterranean
Science
22 Jan 2024 | Environ. Pollut.
Many PFAS were found in loggerhead turtle eggs off the coast of Italy, including emerging PFAS, and the highest concentrations in some eggs may be due to fluoropolymer-based marine litter that turtles may ingest.
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Maternal serum concentrations of per- and polyfluoroalkyl substances and childhood acute lymphoblastic leukemia
Science
13 Jan 2024 | JNCI
Maternal exposure to certain PFAS during pregnancy, particularly MeFOSAA, is associated with an increased risk of childhood acute lymphoblastic leukemia, with notable connections to elevated levels of PFOS, suggesting a potential link between these environmental chemicals and the development of the most common childhood cancer.
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Toxicity Assessment of Mixed Exposure of Nine Perfluoroalkyl Substances at Concentrations Relevant to Daily Intake
Science
10 Jan 2024 | Toxics
This study exposed mice to a mixture of PFAS at levels equivalent to estimated daily human intake, revealing that even low concentrations of PFAS caused liver tissue changes and altered gene expression related to metabolism and cancer, emphasizing the need for thorough toxicity assessments of these persistent environmental contaminants.
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Association of prenatal exposure to perfluorinated and polyfluoroalkyl substances with childhood neurodevelopment: A systematic review and meta-analysis
Science
10 Jan 2024 | Ecotoxicol Environ Saf
A meta-analysis on prenatal exposure to PFAS suggests a sex-specific relationship, revealing that PFOS, PFOA, and PFHxS are associated with decreased performance IQ in boys but PFOS was linked to increased performance IQ in girls, while PFAS are linked to executive function impairments in children without a significant association with behavioral difficulties.
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Assessing potential human health and ecological implications of PFAS from leave-in dental products
Science
3 Jan 2024 | Toxicol Ind Health
PFBA and PFOS were found in low levels in night guards with no detection in whitening trays, suggesting these dental products are unlikely to pose health concerns or contribute significantly to environmental PFAS exposure compared to exposure from food and water.
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Understanding the effects of per- and polyfluoroalkyl substances on early skin development: Role of ciliogenesis inhibition and altered microtubule dynamics
Science
30 Dec 2023 | Sci Total Environ
Exposure to PFOS may disrupt early skin development by altering cell morphology, gene expression, and crucial signaling pathways, suggesting a potential link between PFAS exposure and congenital skin diseases during embryonic development.
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Occurrence of Major Perfluorinated Alkylate Substances in Human Blood and Target Organs
Science
28 Dec 2023 | Environ Sci Technol
PFAS levels in the liver correlated well with other organs, supporting the use of blood concentrations as a measure of PFAS exposure and suggesting the liver as the primary organ of PFAS retention, with minor variations observed in other organs.
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Per-and poly-fluoroalkyl substances (PFAS) exposure is associated with later occurrence of inflammatory bowel disease
Science
27 Dec 2023 | CGH
A connection was found between elevated PFAS levels and increased odds of Crohn’s disease and ulcerative colitis for up to 10 years prior to diagnosis, with both legacy and emerging PFAS chemicals implicated.
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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.