april1848,

You are right, at this time there is no conclusive evidence stress causes or exacerbates MS.

You will find people with MS who believe stress does play a roll in exacerbating their MS and some who don't. I'm one of those who believes stress dose not play a roll in exacerbating my MS.

Here are some links you might find interesting:

http://www.pubmedcentral.nih.gov/art...?artid=1783822

http://www.stress.org/topic-effects.htm