Can't help but think of Gee Officer Krupke from West Side Story when I see the word "disease."
(Pssst: Good thing you have MS and not a social disease ... or then you'd have to see a social worker).
It all makes sense when you watch the video:
http://www.youtube.com/watch?v=VVwT-IkxS8k Just over 4 min. long.