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.this time-series study was conducted on patients registered at the iranian multiple sclerosis society in 2011-2012. they were randomly selected from patients lived in tehran in the last five years, and h...

background and aim: multiple sclerosis is a chronic inflammatory disease of demyelinating lesions in the brain, spinal cord and optic nerve. one of the most debilitating symptoms of multiple sclerosis (ms) patients is impaired balance. thus in people with ms, collecting information about the impact of impaired balance on life style and the disability which is being perceived by the patient is e...