Sent_en: 2zh MS is an autoimmune disease of the central nervous system where the body attacks the fatty myelin which helps nerves carry electrical signals, causing muscle weakness and spasming which may lead to disability.
Sent_yy: 多发性硬化症是中枢神经系统的一种自身免疫性疾病，身体攻击脂肪髓鞘，这有助于神经传递电信号，导致肌肉无力和痉挛，从而导致残疾。