This study was just too interesting not to pass along even though it is not MS specific. Apparently more cardiovascularly fit individuals are significantly more likely to consume alcohol in moderate to heavy quantities but, at least in men, are significantly less likely to develop alcohol dependance! The significance factors are quite high in both aspects.
https://journals.lww.com/acsm-msse/A...etween.15.aspx
https://journals.lww.com/acsm-msse/A...etween.15.aspx