Key clinical point: Air pollution may be a potential etiological factor in the development of multiple sclerosis (MS).
Major finding: The age-standardized prevalence of MS was found to be 97.4 per 100,000 persons in the polluted city and 47.2 per 100,000 persons in the rural and clean city.
Study details: A cross-sectional, population-based, epidemiologic study compared the prevalence of MS among 2 cities in Turkey: Eregli city, which has an iron-and-steel factory with known air pollution, and Devrek city, which is a rural and clean city.
Disclosures: The authors declared no conflicts of interest.
Citation: Börü UT et al. Acta Neurol Scand. 2020 Jan 18. doi: 10.1111/ane.13223.