Beizhan Yan

Geochemist, Columbia University; co-author of the Nature study

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Last updated Oct 18, 2026

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Microplastics generate cell-damaging reactive molecules, study finds

New Capabilities

Active researcher at Columbia

Microplastics have been found in human blood, lungs, and brain tissue, and studies link them to strokes, heart attacks, and dementia. Nobody could explain how a chemically inert material causes that damage.

Updated Oct 18