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总结
《卫报》周四简报梳理多家媒体对“人体遍布微塑料”结论的反思。部分研究曾宣称在血液、器官乃至大脑中检测到微塑料，引发公众担忧；但多位科学家质疑相关结果的采样与检测流程容易被实验室污染干扰、统计外推过度，部分浓度与分布在生物学上难以成立，甚至被批评为夸张。报道强调不必被每项新研究吓到，同时指出微塑料污染仍是环境与健康议题，需要更严格、可重复的方法与长期评估来厘清真实风险。
正文
Thursday briefing: Is your body really full of microplastics? The Guardian 'A bombshell': doubt cast on discovery of microplastics throughout human body The Guardian We have to stop freaking out about every new microplastics study vox.com Worried about plastic in your brain? Scientists say otherwise The Times Our bodies may not be riddled with microplastics after all - scientists say research is 'not biologically plausible' and 'a joke' New York Post
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