Blood test may help predict whose multiple sclerosis will get worse

This shows blood vialsA new blood test can help predict which patients with multiple sclerosis will see a decline in their condition over 12 months. The test looks for a biomarker called neurofilament light chain, a protein that can be detected as nerve cells die. People with higher levels of the protein were 40-70% more likely to experience worsening symptoms over a year than those with lower levels.