Multiple sclerosis patients who were severely disabled are walking, working and even downhill skiing again following a breakthrough therapy which completely destroys, then rebuilds, the immune system. The trial, which is the first in the world to show complete long-term remission from the debilitating disease has been hailed by experts as ‘exciting’ ‘unprecedented,’ and ‘close to curative.’ Although it is unclear what causes MS it is thought that the immune system attacks the protective coating which surrounds nerve cells in the brain and spinal cord leading to inflammation, pain, disability and in severe cases, early death...