Multiple sclerosis—MS. These two letters can change lives in an instant for young people starting out in their careers and family life. MS is hard to define, hard to treat, and hard to take. Yet over the past two decades, treatment has changed radically, from none to over a dozen disease modifying drugs that can reduce attack rate and mitigate disability. The 2017 revisions of the multiple sclerosis diagnostic criteria¹ provide an opportunity for reflection.

中文翻译：

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不断发展的多发性硬化症诊断标准

多发性硬化症—MS。这两个字母可以立即改变年轻人的职业和家庭生活。MS难以定义，难以治疗且难以接受。然而，在过去的二十年中，治疗方法发生了根本性的变化，从没有改变到可以降低发作率和减轻残疾的十几种疾病改变药物。2017年修订的多发性硬化症诊断标准¹提供了反思的机会。