REPORT FROM THE 63rd ANNUAL MEETING OF THE AMERICAN ACADEMY OF NEUROLOGY (AAN), HONOLULU, HAWAII, APRIL 9-16, 2011 – MS is generally described as a disease that primarily affects Caucasians, however, a new study from southern California suggests that the incidence is higher in African Americans than in other racial/ethnic groups (Langer-Gould et al. AAN 2011; abstract P06.032).