A blood test shows MS worsening 1 to 2 years before it happens

Multiple sclerosis patients whose blood tests reveal elevated NfL, a biomarker of nerve damage, could see worsening disability one to two years later, according to a new study.

​Multiple sclerosis patients whose blood tests reveal elevated NfL, a biomarker of nerve damage, could see worsening disability one to two years later, according to a new study. Multiple sclerosis patients whose blood tests reveal elevated NfL, a biomarker of nerve damage, could see worsening disability one to two years later, according to a new study.