MS sufferer Louise Willetts says she is completely well, two year on from treatment that was originally used on cancer patients.<br />Doctors say a stem cell transplant could be a "game changer" for many patients with multiple sclerosis.<br />Results from an international trial show that it was able to stop the disease and improve symptoms.<br />Louise was among over 100 patients who took part, all of whom had relapsing remitting MS - where attacks or relapses are followed by periods of remission.<br />
