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they inspect in the human body. The alarming discoveries are now stacking up with such speed, there's barely any time to let the news sink in before another part of our anatomy joins theThe team found microscopic fragments of plastic in every sample of seminal fluid supplied by 36 male participants from inland China.
olystyrene particles were the most abundant type found, making up nearly a third of the plastic identified in the average sample. Researchers aren't sure, but they suspect that the polystyrene, polyethylene, and PVC fragments had initially been ingested or inhaled. Once the pollutants entered the bloodstream, they could have crossed the blood-testis barrier into the seminal vesicles.alongside the plastic fragments. Worryingly, many of the cells were short, bent, coiled, or had irregular tails, with some seeming to have trouble moving properly. "While these observations are compelling, the establishment of a direct causal link between microplastic exposure and sperm aberrations is still forthcoming," the researchers Confocal Raman microscope analysis was used to identify the molecules in the semen samples, detecting the signatures unique to microplastics., for instance, have shown that microplastics can damage the barrier that separates the testes from the blood, impairing sperm quality. In these studies, when mice were exposed to polystyrene fragments, it led to fewer sperm cells, higher rates of abnormal sperm, and signs of reduced sperm activity.This far inland, however, human sperm still seems to soak up remnants of broken-down rubbish, indicating a ubiquitous spread of microplastics in the environment.
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Every human testicle examined in new study contained microplasticsAndrew Paul is Popular Science‘s staff writer covering tech news. Previously, he was a regular contributor to The A.V. Club and Input, and has had recent work featured by Rolling Stone, Fangoria, GQ, Slate, NBC, as well as McSweeney’s Internet Tendency. He lives outside Indianapolis.
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Every human semen sample contained microplastics in new studyAndrew Paul is Popular Science's staff writer covering tech news. Previously, he was a regular contributor to The A.V. Club and Input, and has had recent work featured by Rolling Stone, Fangoria, GQ, Slate, NBC, as well as McSweeney's Internet Tendency. He lives outside Indianapolis.
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