Effect of Air Pollutant Markers on Multiple Sclerosis Relapses.

Background: Multiple Sclerosis (MS) is one of the autoimmune diseases with an unknown cause. The aim of this study was to explore the link between air quality and MS relapses in patients who suffer from MS.

Methods: This time-series study was conducted on patients registered at the Iranian Multiple Sclerosis Society in 2011-2012.