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Story summary
- The study of 52 human brains shows microplastics can cross the blood-brain barrier and accumulate in deep brain regions.
- Concentrations were higher in more recent samples, especially among dementia patients, suggesting a potential link to neurological issues.
- As global plastic production rises, experts urge improved filtration and stronger regulations to reduce microplastic pollution.
- Advanced detection methods improve understanding, but linking specific health outcomes to exposure remains challenging.
