GoKawiilColumbia study finds microplastics chemically react inside the body
Researchers from Columbia University, publishing in Nature, found that common consumer-grade microplastics are not chemically inert but instead generate reactive, high-energy radicals when exposed to water-rich environments like the human body. Study co-author Wei Min said this activity stems from the massive surface area created as plastic breaks into smaller fragments, and likely contributes to biological damage seen in animals and potentially humans.
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The findings could undercut the assumption that plastic exposure is primarily a physical nuisance rather than a chemical hazard, which co-author Beizhan Yan says carries significant implications for environmental and human health. Given how deeply plastics are embedded in food production, processing and packaging in the US, this research may intensify scrutiny of plastic use throughout the food supply chain, though further study would be needed to confirm direct health effects in humans.
- Study published in Nature shows microplastics generate reactive chemical radicals in water-rich environments like the body.
- Co-author Wei Min links this to prior research finding up to 240,000 microplastic particles per liter of bottled water.
- Researchers say the results raise concerns for food supply chains, where plastics are widely used in agriculture, processing, and packaging.
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Published there as: “This New Research About Microplastics Is Pretty Damn Scary”
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