Impact of air pollution on the clinical exacerbation of central demyelinating disease: A 10-year data from the Northern Thailand MS and NMOSD registry.

Background: Particulate matter (PM) 2.5 (PM2.5) and PM10 are implicated in neurological diseases, yet their impact on central demyelinating diseases like multiple sclerosis (MS) and neuromyelitis optica spectrum disorder (NMOSD) remains unclear.