“Pharmacists are the most underutilized resource at the hospital,” says Harvard School of Public Health researcher Lucian Leape. “Doctors spend 5 percent of their time thinking about drugs; pharmacists spend 100 percent of their time thinking about drugs.” Simply including pharmacists on hospital rounds is a low-cost way to catch two of every three drug errors before they occur, says Leape, who is an expert on preventing medical errors. A study by Leape showed the impact of including pharmacists in treatment decisisions can be dramatic, with a 66 percent reduction in adverse drug reactions caused by prescribing errors. In addition, doctors were receptive to the pharmacists’ recommendations, accepting 99 percent of the 366 suggested revisions to drug orders during the study.