A preliminary study suggests that Black people who have autoimmune neurologic diseases, multiple sclerosis (MS) and neuromyelitis optica spectrum disorder (NMOSD), may respond differently than white people to a common therapy meant to modulate the immune system. The research, released today, April 14, 2021, will be presented at the American Academy of Neurology’s 73rd Annual Meeting being held virtually April 17 to 22, 2021.