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The universe of fluorinated polymers and polymeric substances and potential environmental impacts and concerns
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This review paper looks at "forever chemicals" (PFAS) used to make things stain- and water-resistant, and points out that a whole category called polymeric PFAS, including so-called fluoropolymers found in products like non-stick coatings, has been largely overlooked by scientists and regulators despite being labeled "low concern." The catch: these materials can break down and release smaller, more clearly harmful PFAS chemicals into the environment, meaning the contamination problem we already know about from PFAS may be bigger than currently tracked. The authors argue we urgently need more research to understand the real-world health and environmental risks these polymers p
Per- and polyfluoroalkyl substances (PFAS) are a diverse group of surface treatment chemicals falling under non-polymeric and polymeric categories. Polymeric PFAS are comprised of fluoropolymers, perfluoropolyethers and side-chain fluorinated polymers (SCFPs). Fluorinated polymers and polymeric substances have gained a significant market due to their chemical stability. To date, research and regulatory concern has primarily focused on the environmental occurrence and health effects of non-polymeric PFAS, particularly perfluoroalkyl acids and precursors. Industries consider most fluoropolymers as being "polymers of low concern", although there is already a considerable environmental burden and widespread contamination resulting from their production, manufacturing and use. For example, SCFPs are widely used, and known to release their perfluorinated side chains. Concerted action is needed to address the dearth of environment-associated information and understanding on polymeric PFAS.
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PFAS: forever chemicals—persistent, bioaccumulative and mobile. Reviewing the status and the need for their phase out and remediation of contaminated sites
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Researchers reviewed the science on PFAS — a large family of synthetic "forever chemicals" used in thousands of products — finding that they persist indefinitely in the environment, accumulate in the food chain, and damage the liver, kidneys, thyroid, and immune system even at very low exposures. The authors conclude that swapping one harmful PFAS for another is not a solution and that a full phase-out in favor of fluorine-free alternatives is necessary.
Forever Chemicals PFAS Global Impact and Activities, Cascading Consequences of Colossal Systems Failure: Long-Term Health Effects, Food-Systems, Eco-Systems
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This comprehensive review examines PFAS (per- and polyfluoroalkyl substances) contamination across food, water, and consumer products, highlighting their interconnection with microplastic pollution. The authors document decades of delayed regulatory action and cover-ups that have contributed to widespread human exposure. Evidence indicates long-term health effects from PFAS exposure, and the review calls for stronger risk assessment tools and policy responses to address this persistent chemical contamination.
Poly- and Perfluoroalkyl Substances (PFAS): Do They Matter to Aquatic Ecosystems?
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This review examines PFAS, the persistent 'forever chemicals' widely used in consumer products, and their growing threat to aquatic ecosystems. Evidence indicates that PFAS accumulate in aquatic organisms, disrupt hormones, and can alter how other pollutants behave in the environment. The research is relevant to microplastic concerns because PFAS are commonly found in plastic products and can leach from microplastics into water.
What Do We Know About Per- or Polyfluoroalkyl Substances (PFASs)? Issues, Challenges, Regulations, and Possible Alternatives
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This review distinguishes between low-molecular-weight PFAS compounds, which are toxic, mobile, and bioaccumulative, and high-molecular-weight fluoropolymers classified as low-concern, while surveying the evolving regulatory landscape in Europe and the US and exploring potential alternatives as restrictions tighten globally.
Research Progress in Current and Emerging Issues of PFASs’ Global Impact: Long-Term Health Effects and Governance of Food Systems
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This review covers per- and polyfluoroalkyl substances (PFAS), commonly called "forever chemicals," which are found in food, cosmetics, drinking water, and are linked to microplastic contamination. Decades of corporate delay and mismanagement have led to widespread human exposure with potential long-term health effects being studied across the globe. The authors examine PFAS levels in food and water from multiple countries and call for stronger regulations to protect public health.
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