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Story summary
- A study links air pollution to Lewy body dementia, indicating fine-particulate matter (PM2.5) may trigger toxic brain protein clumps.
- Johns Hopkins University researchers analyzed hospital records of 56 million U.S. patients and conducted mouse experiments.
- Long-term PM2.5 exposure increases the risk of Lewy body dementia, the second most common neurodegenerative disease.
- The study identifies air pollution as a modifiable dementia risk factor, advocating for clean air policies.
- Further research is necessary to explore how pollutants interact with genetic factors.
