WEBVTT 00:00:09.919 --> 00:00:10.919 Hello. 00:00:10.960 --> 00:00:12.480 I'm Dr. Fred Lublin 00:00:12.640 --> 00:00:14.080 Director of the Corinne Goldsmith Dickinson 00:00:14.240 --> 00:00:15.679 Center for Multiple Sclerosis 00:00:15.720 --> 00:00:18.359 at the Icahn School of Medicine at Mount Sinai 00:00:18.559 --> 00:00:19.839 in New York City. 00:00:20.199 --> 00:00:22.519 Multiple sclerosis is one disease, 00:00:22.679 --> 00:00:25.480 but has several different courses that it can take. 00:00:25.920 --> 00:00:27.559 This has important implications 00:00:27.559 --> 00:00:30.160 for how we treat individuals with multiple sclerosis 00:00:30.480 --> 00:00:32.479 and how to better understand the disease.