There is a very good video on the Changing View of Multiple Sclerosis sponsored by the University of Texas Southwestern Medical Center.
In order to view it, please paste the following link information into your web browser navigation bar.
http://209.92.71.29/mediasite/viewer/Viewer.aspx?layoutPrefix=LayoutTopLeft&layoutOffset=Skins/Clean&width=800&height=631&peid=89de5e28-1dff-4674-9e4e-d553af2610f2&pid=ad7208de-e299-4cc7-9b97-4ec2bc3e2f3f&pvid=508&mode=Default&shouldResize=false&playerType=WM64Lite