Showing 46-60 of 846
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Perfluorooctanoate and perfluorooctane sulfonate in umbilical cord blood and child cognitive development: Hamamatsu Birth Cohort for Mothers and Children (HBC Study)
Science
6 Apr 2022 | Environ Int
Measurements of PFOA and PFOS in the cord blood of nearly 600 mother-infant pairs found mixed associations between PFAS concentrations and cognitive development.
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Temporal Trends of Organochlorine- and Perfluorinated Contaminants in a Terrestrial Raptor in Northern Europe over 34 Years (1986-2019)
Science
31 Mar 2022 | Environ Toxicol Chem
Most legacy organochlorines and PFOS have not reached lower, stable background levels, and voluntary elimination of PFCAs still have not resulted in declining levels in tawny owls in central Norway.
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Per- and polyfluoroalkyl substances (PFASs) in the blood of police and Beagle dogs from Harbin, China: Concentrations and associations with hematological parameters
Science
28 Mar 2022 | Chemosphere
Dominant PFAS in the blood of dogs were found to be PFOA, PFBA, and PFOS, and PFAS exposure was linked to many changes in biochemical blood parameters like cholesterol.
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Perfluoroalkyl Substances and Incident Natural Menopause in Midlife Women: The Mediating Role of Sex Hormones
Science
22 Mar 2022 | Am. J. Epidemiol.
Participants with higher PFAS concentrations had a shorter time to natural menopause, and the effect of PFAS may be partially explained by variations in hormone concentrations.
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Understanding Public Perceptions of Per- and Polyfluoroalkyl Substances: Infodemiology Study of Social Media
Science
21 Mar 2022 | J Med Internet Res
Government agencies can use social media research to understand the community sentiment on PFAS and then use social media to dispel misinformation, communicate scientific findings, and provide resources for relevant public health services.
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Multiple pollutants in groundwater near an abandoned Chinese fluorine chemical park: concentrations, correlations and health risk assessments
Science
7 Mar 2022 | Nature
Fluorine and some heavy metal concentrations in groundwater near the fluorochemical industry exceeded safe drinking water levels, especially for PFOA.
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[Comment Period] Proposed Rulemaking: Safe Drinking Water PFAS MCL Rule
Policy
28 Feb 2022
Pennsylvania's Environmental Quality Board is now accepting public comment on proposed maximum contaminant levels for PFOA and PFOS.
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Notice to Interested Parties Chemical Listed Effective February 25, 2022 As Known to the State of California to Cause Cancer: Perfluorooctanoic Acid
Policy
28 Feb 2022
Effective February 25, 2022, for purposes of Proposition 65, the OEHHA is adding PFOA to the list of chemicals known to the State of California to cause cancer.
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[Invited Perspective] Current Breast Milk PFAS Levels in the United States and Canada Indicate Need for Additional Monitoring and Actions to Reduce Maternal Exposures
Science
28 Feb 2022
Addressing the higher breast milk concentrations from maternal exposure to PFAS in drinking water will require identifying contaminated drinking water sources and establishing health-protective PFAS drinking water guidelines that consider both exposures and risks to breastfed infants.
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Early Warnings by Liver Organoids on Short- and Long-Chain PFAS Toxicity
Science
28 Feb 2022 | Toxics
Short-chain PFAS were found to reduce the structural integrity and disrupt normal cell functions in a synthetic tissue model.
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Association between maternal per- and polyfluoroalkyl substance exposure and newborn telomere length: Effect modification by birth seasons
Science
28 Feb 2022 | Environ Int
A higher maternal PFOA concentration was significantly associated with shorter newborn telomere length in spring-born infants but not in those born in other seasons.
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Current Breast Milk PFAS Levels in the United States and Canada: After All This Time, Why Don't We Know More?
Science
28 Feb 2022 | Environ Health Perspect
The authors emphasize the need to study PFAS in breast milk and found that all average estimated and measured breast milk PFOA and PFOS concentrations exceeded drinking water screening values for children, sometimes by more than two orders of magnitude.
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Comparative Toxicity of Aquatic PFAS Exposure in Three Species of Amphibians
Science
28 Feb 2022 | Environ Toxicol Chem
Chronic exposure to PFOS, PFOA, PFHxS, and 6:2 FTS can negatively affect amphibian body condition and development at low concentrations.
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Monitoring breast milk for PFAS
News
24 Feb 2022 | Science Daily
While there is over 20 years of biomonitoring data on PFAS in human serum and urine, scientists and physicians have a limited understanding of the level of these chemicals in breast milk.
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Risk of Cancer in a Community Exposed to Per- and Poly-Fluoroalkyl Substances
Science
20 Feb 2022 | Environ Health Insights
Merrimack residents experienced a significantly higher risk of at least 4 types of cancer between 2005 and 2014 which may be linked to PFAS-contaminated drinking water.