[irishjuggler]

MS is mysterious as far as I know. I’ve known several people who’ve been diagnosed with it. Purely anecdotal, but they seemed to have a number of factors in common: women, smokers, thinner than average, approx. late 30s when diagnosed

[Pelham]

Autoimmune diseases remain the Land of Mystery. MS is one.

[Think free or die]

"Purely anecdotal, but they seemed to have a number of factors in common: women, smokers, thinner than average, approx. late 30s when diagnosed

Interesting list. I've also been told that there's an association with latitude and travel.