The osteoporosis drug you only have to take once a year - that may never reach the NHSBy JENNY HOPE - More by this author » Last updated at 23:49pm on 10th October 2007 The first once-a-year drug proven to dramatically cut the risk of broken bones in older women is launched today. But despite its high success rate, campaigners warn it may never be prescribed on the NHS on the grounds of cost. It comes as osteoporosis specialists challenge proposed prescription restrictions put forward by the National Institute for Health and Clinical Excellence, the Health Service's rationing body....