New research published Monday in Nature Medicine shows that microplastics are breaking the blood-brain barrier — and building up in the human body. Brains from people who died in 2024 had 50 percent more plastic fragments in them than samples from 2016, indicating that the particles are accumulating as plastics production has boomed worldwide. The scientists also found that the brains of patients with dementia had significantly more microplastics than healthy ones. |
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