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Original research — experimental, observational, or case-control study. Direct primary evidence.
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Questions are being raised about microplastics studies – here’s what’s solid science and what isn’t
2026
Michael Richardson,
Michael Richardson,
Le Yang,
Le Yang
Summary
Researchers and science journalists examined the reliability of high-profile studies reporting microplastics in human organs, raising questions about whether some alarming findings reflect true biological accumulation or contamination introduced during sample collection and laboratory processing.
Scientists question whether alarming reports of plastic particles in human organs are accurate or the result of laboratory contamination.