Article topic: Multiple Sclerosis Name of the author: Najla O. Khalil Keywords: Multiple sclerosis, MS, RRMS, SPMS, McDonald criteria, Demyelinating disorders. Overview and Epidemiology Multiple sclerosis (MS) is a chronic disabling inflammatory disease that leads to demyelination and neurodegeneration in the central nervous system (1). MS causes different signs and symptoms depending on the amount and type of nerves involved. Some people may experience symptom-free periods between attacks whilst others might lose their ability to walk altogether, as it can reach sensory, motor, visual, and autonomic systems (2). The course of multiple sclerosis is quite unpredictable, as physicians can never […]