That was interesting, thanks for the info!

I have also heard another theory and noticed some things in practice regarding MS. The theory is that MS is more prevalant in more northern areas(which if you look at the epidemiology, it is remarkably true- canada, scotland and scandanavia all have very high incidences). The connection that some have noted is that the lack of sunlight has some type of correspondence to the incidence of MS. The theory is that the lack of vitamin D somehow contributes to the disease or infers some susceptibility to developing it. I have heard of several patients using vitamin D supplementation successfully, most of them noticing less exacerbation and decreased intensity of exacerbation periods.

In my practice, I have also noticed that several patients developed Ms within a year of moving to our cold climate(long darker winters) from a sunny tropical climate. Equatorial regions have a very low incidence of MS. Although MS can have exacerbations in the summer, I have seen that it seems to be a bit worse in the winter months in Canada. I am not sure how valid this theory is, but I definitely have noticed some correlation and I think it may be worth considering further!
Take care everyone
Fiona