The drug that helps you stand at attention could also help keep your attention. In the hunt to ward off dementia, research out of the UK this week looked to assess whether existing drugs could be repurposed to fight the memory-robbing illness. And it may come as a surprise that erection meds may help prevent people from going soft in the head. The study, funded by an Alzheimer’s research charity and conducted at the University of Exeter, looked at 80 drugs that have already been approved for