Showing 31-45 of 529
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Association between per- and polyfluoroalkyl substances and sex hormone levels in males based on human studies
Science
22 Jan 2024 | Ecotoxicol Environ Saf
In a meta-analysis of 12 studies involving 7506 participants, exposure to PFNA and PFOA was found to be negatively correlated with male testosterone levels, emphasizing the need to consider these chemicals as potential risk factors for male reproductive health.
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IAFF Endorses Military Fire Fighter PFAS Compensation Bill
Policy
19 Jan 2024
The IAFF is proud to throw its support behind the Military Fire Fighters PFAS Compensation Bill (H.R. 6946), introduced by U.S. Reps. Marilyn Strickland and Bill Posey.
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[Video] CDC urges more blood testing on 'forever chemicals'
News
19 Jan 2024 | ABC News
A new guidance by the Centers for Disease Control and Prevention recommend doctors consider more blood testing for PFAS.
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Updated PFAS Guidance for Doctors Omits Follow-Up Tests
News
18 Jan 2024 | Bloomberg Law
The Centers for Disease Control and Prevention (CDC) released clinical guidance and a related fact sheet that it updated following advice it received in a report from the National Academies of Sciences, Engineering, and Medicine, the nation’s primary federal advisory institute.
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Wear and Tear May Cause Firefighter Gear to Release More ‘Forever Chemicals’
News
16 Jan 2024 | NIST
NIST's follow-up study on firefighter turnout gear found over 20 types of PFAS, with increased release during wear and tear, highlighting potential health risks and prompting the need for alternative manufacturing methods to minimize PFAS exposure in protective clothing.
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Occurrence of perfluoroalkyl substances in canned tuna and their impact on food safety
Science
16 Jan 2024 | Food Control
The study highlights the potential risk of food contamination from PFAS, particularly in canned tuna, emphasizing concerns about their toxicity as endocrine disruptors, immunosuppressants, and carcinogens, with detected PFOS and PFNA levels below the established Tolerable Weekly Intake for the average Italian consumer but posing a potential concern for high consumers due to multiple sources of PFAS intake.
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Evaluating the toxicokinetics of some metabolites of a C6 polyfluorinated compound, 6: 2 fluorotelomer alcohol in pregnant and nonpregnant rats after oral exposure to the parent compound
Science
16 Jan 2024 | FCT
Following oral exposure, both pregnant and nonpregnant rats exhibited potential biopersistence of 6:2 fluorotelomer alcohol (6:2 FTOH) and its metabolites, particularly 5:3 fluorotelomer carboxylic acid (5:3A), highlighting the need for additional research on human health implications.
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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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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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Prenatal per- and polyfluoroalkyl substances exposure and gut microbiota of infants: A prospective cohort study
Science
28 Dec 2023 | Ecotoxicol Environ Saf
In a study of 69 mother-child pairs, PFAS was associated with changes in the gut microbiota of infants, potentially linking these alterations to known health impacts later in life.
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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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Prenatal Exposure to Poly- and Perfluoroalkyl Substances (2009-2014) and Vaccine Antibody Titers of Measles, Mumps, Rubella, and Varicella in Children Four to Eight Years Old from the Healthy Start Cohort
Science
26 Dec 2023 | Environ Health Perspect
Prenatal exposure to PFAS is linked to lower antibody levels in fully immunized children, particularly for measles and mumps, suggesting potential immunotoxic effects.
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Invited Perspective. Per- and Polyfluoroalkyl Substances, Hepatotoxicity, and Liver Disease: Evidence and Clinical Responses
Science
25 Dec 2023 | Medical Research Archives
This perspective outlines PFAS hepatoxicity, suggesting practical clinician responses to address patient and community needs, and emphasizing strong evidence of PFAS causing adverse changes in human liver biomarkers.
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Firefighters' exposure to per-and polyfluoroalkyl substances (PFAS) as an occupational hazard: A review.
Science
18 Dec 2023 | Front Mater
The close link between firefighters and cancer may be partly driven by occupational exposure to carcinogenic PFAS found in turnout gear, firefighting foam, and fire station environments leading to elevated PFAS levels in firefighters’ blood serum.