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The original was posted on /r/science by /u/Pomme-M on 2025-09-04 18:16:20+00:00.

Original Title: Johns Hopkins finds possible link between air pollution (such as wildfires, vehicular exhaust) and the creation of the abnormal buildup of a protein, alpha-synuclein, in the brain. These clumps, known as Lewy bodies, are a hallmark of the conditions Parkinson’s disease and Lewy body dementia.