It is a disease of the central nervous system.The symptoms of this disease is myelin (fatty insulating sheathes protecting nerve fibres) becomes damaged and scarred. It affects a person's motor, sensory and even cognitive functions. The causes of Multiple sclerosis are genetic and environmental factors. The impact and symptoms of Multiple sclerosis depends on a person's ability to participate in everyday activities different from person to person.
The calculated crude MS prevalence was 18.1/100,000 inhabitants.Two hundred twenty patients fulfilling the Poser diagnostic criteria for definite and probable multiple sclerosis (MS) were ascertained in an area of Flanders (Belgium) including the city of Leuven through the general practitioners and the neurologists practicing in the area, through the medical records of the National Center for MS and through the membership list of the MS patient society.