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总结
Slate报道，近期多家媒体曾以“炸弹级发现”形容的“微塑料遍布人体、甚至大脑里可能有一勺塑料”等说法，正被新的分析与同行质疑。质疑点集中在样本采集与实验过程可能被塑料污染、检测与换算方法不一致、以及外推结论过度等，导致含量被夸大。专家认为微塑料暴露仍值得关注，但现有证据不足以支持极端恐慌或明确健康危害结论，呼吁建立标准化检测并继续长期研究；同时也提出在家减少暴露的做法，如减少合成纤维磨损、注意烹饪与储存材料选择等。
正文
Good News: You Probably Don't Have a Spoon's Worth of Plastic in Your Brain After All Slate 'A bombshell': doubt cast on discovery of microplastics throughout human body The Guardian The 'bombshell' science that casts doubt on claims about microplastics The Telegraph Air-drying laundry, wooden chopping boards: Reducing exposure to microplastics at home Australian Broadcasting Corporation Worried about plastic in your brain? You may not need to be The Times
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