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microplastics

March 18, 2025

A call for robust science on microplastics

Nature commentary highlights common limitations of microplastic studies in human samples: small sample sizes, lack of controls, lack of biological plausibility; proposes international working group to advance microplastic research focused on transparency, collaboration, and rigorous standards
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Reading time: 2 minutes

February 14, 2025

Microplastics early ’25 science round-up: presence in humans and health impacts

Scientists detect more micro- and nanoplastics (MNP) in the human brain than in liver and kidney, higher levels in brains of dementia patients; find MNPs obstruct blood vessels, lead to neurobehavioral abnormalities; MNPs in women’s follicular fluid associated with lower fertilization rates; maternal MNP exposure impairs fertility of female mice offspring; “bioplastic” MNPs induce male reproductive toxicity in mice
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Reading time: 6 minutes

January 14, 2025

Microplastics in blood linked to impaired blood clotting, study finds

South Korean study assesses link between microplastics in blood and plastic container use as well as blood coagulation disruptions; finds mostly polystyrene, polypropylene, and polyethylene microplastics in blood; links higher microplastic levels to use of plastic containers, impaired blood clotting and increased inflammation, suggesting potential cardiovascular risks
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Reading time: 2 minutes

December 11, 2024

Chemical profiling of plastic/rubber extracts and microplastic leachates

51 plastic/rubber products and four microplastic types subjected to different extraction and leaching conditions, respectively; chemical composition changes with extraction method; leachate composition depends on salinity and temperature influence; extracts and leachates of similar chemical complexity
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Reading time: 3 minutes

December 9, 2024

Microplastics found along the maternal-fetal axis, impacting placenta

Scientists detect microplastics in maternal blood, fetal appendages, and umbilical vein blood; find no association between particle levels measured in different tissues; polystyrene microplastics induce time-dependent cytotoxicity, oxidative stress, and metabolic alterations in placental explants; reviews discuss microplastic association with different diseases
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Reading time: 4 minutes

October 17, 2024

Microplastics are present in human nervous system and reproductive organs

Five studies on microplastic presence and effects on central nervous system (CNS) and reproductive organs; study finds microplastics of some but not all polymer types enter human CNS, especially after blood-brain barrier impairment; review concludes microplastics induce neurotoxicity; scientists demonstrate presence of microplastics in female reproductive tissue and male para-tumor and tumor prostate samples; associate microplastic presence with sperm dysfunction
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Reading time: 5 minutes

October 15, 2024

Science article summarizes learnings from 20 years of microplastic research

Research demonstrates widescale environmental microplastic contamination and human exposure, effects on all levels of biological organizations, and emerging evidence of negative human health impacts; review’s authors foresee data gaps to be closed within next ten years but call for immediate policy action based on precautionary principle to minimize unintended consequences
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Reading time: 3 minutes

August 23, 2024

Recent studies show that MNPs can negatively impact reproductive health

Studies confirm micro- and nanoplastics (MNPs) in human endometrial tissue, amniotic fluid, placentas, and feces of pregnant people; MNP presence in the endometrium is linked with recurrent miscarriages in humans, apoptosis in organoids, and reduced fertility in mice; higher MNPs exposure from seafood and bottled water consumption
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Reading time: 5 minutes
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