Dr. Zamboni says it all in this tweet....
CCSVI creates venous hypertension, causing microbleeds, deposting iron in brain tissue, leading to inflammation, increasing free radicals which all causes neurodegeneration. This is Multiple Sclerosis.

“#CCSVI Venous hypertensionmicrobleedingsiron inflammationfree radicalsneurodegeneration #MultipleSclerosis https://t.co/EZ4q7fajVt”