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Associations of dietary intake and longitudinal measures of per- and polyfluoroalkyl substances (PFAS) in predominantly Hispanic young Adults: A multicohort study
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This multicohort study of predominantly Hispanic young adults found that beverage consumption habits and food preparation methods are associated with differences in blood PFAS levels, underscoring dietary exposure as a significant contributor to per- and polyfluoroalkyl substance accumulation and the need for public food monitoring.
Results suggest that beverage consumption habits and food preparation are associated with differences in PFAS levels in young adults. This highlights the importance of diet in determining PFAS exposure and the necessity of public monitoring of foods and beverages for PFAS contamination.
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Analysis of 3,043 U.S. pregnant women found widespread PFAS exposure with higher levels linked to race, ethnicity, and education, indicating that sociodemographic disparities shape toxic chemical burden before birth. These findings underscore the need for ongoing biomonitoring of vulnerable populations, as PFAS are associated with developmental and immune harm in fetuses and newborns.
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Researchers mapped the spatial distribution of 30 per- and polyfluoroalkyl substances (PFAS) across tap and surface waters from Central and South Florida using solid-phase extraction and LC-MS/MS. PFAS were detected in all samples at concentrations up to 169 ng/L, with the highest levels near military airbases, wastewater facilities, and airports in the Biscayne Bay area.
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Not relevant to microplastics — this study traces sources of PFAS (per- and polyfluoroalkyl substance) contamination into Lake Mead, a major drinking-water reservoir, finding that the Colorado River and treated wastewater are the dominant PFAS inputs, with domestic laundry and cosmetics as significant household sources.
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This scoping review maps evidence for dietary exposure pathways to PFAS, confirming strong evidence that legacy PFAS occur widely in foods and correlate with body burden, while identifying significant gaps in data on PFAS transfer from contaminated agricultural inputs, food processing, and food packaging into the food supply.
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Researchers systematically reviewed PFAS contamination across food products — including seafood, livestock, and agricultural items — finding that freshwater species consistently show higher concentrations than marine species, industrial proximity strongly elevates contamination risk, and emerging short-chain PFAS replacements present poorly understood but potentially significant risks to food security.
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