The more you look the more the vascular evidence piles up...This dates back to 2003 but still nine years on most neurologists and research is wedded to the auto-immune theory.

Changes in cerebral perfusion precede plaque formation in multiple sclerosis: Our data indicate that inflammation is accompanied by altered local perfusion, which can be detected prior to permeability of the BBB.  Jens Wuerfel

http://brain.oxfordjournals.org/content/127/1/111.full.pdf