FASTER, PLEASE: Wheelchair-bound multiple sclerosis patients able to walk again after stem-cell therapy. “The treatment is being carried out at Royal Hallamshire Hospital in Sheffield and Kings College Hospital, London and involves use a high dose of chemotherapy to knock out the immune system before rebuilding it with stem cells taken from the patient’s own blood. . . . ‘This is not a word I would use lightly, but we have seen profound neurological improvements.'”