All of the following statements are FALSE regarding multiple sclerosis except ?

MS is a autoimmune disease mainly targetting MBP( Myelin basic protein) Multiple Sclerosis Hallmark - Demyelination occur secondary to damage myelin component (autoimmunity) More common in females than male. In all demyelinating disorder peripheral nervous system is spared. Condition is almost always benign and is resolved spontaneously. Environmental risk factor- vitamin- D deficiency