Cholesterol-lowering drugs, widely used to reduce the risk of heart attack, could also be effective in treating multiple sclerosis, according to new research published on Friday. The news underscores the reputation of statins as potential miracle pills to rival aspirin.Already hailed for revolutionising the management of heart disease, the drugs -- which will soon be available over the counter in Britain -- are also being studied in the fight against Alzheimer’s disease and osteoporosis.Now researchers from the Medical University of South Carolina have produced the first clinical evidence that statins can help in multiple sclerosis in an article in The Lancet medical journal.