African Americans were more likely to have greater disability with increased disease duration compared with non-African Americans, so says a recent report.

Read an abstract of the article at Multiple Sclerosis International Federation

Comment by Ashton Embry

African/Americans are not as genetically susceptible to MS as Caucasians are. Those who are genetically susceptible may get a somewhat worse case because of their greater vitamin D deficiency (due to lower rates of production).