Are people relying too much on the traditional doctor/patient interaction? We know many people end up with a risky pileup of prescribed medications. Many efforts have been made, with varied success, to correct this problem. Yet we’ve usually focused on physician behavior, when there’s another powerful lever: pharmacists. About 30 percent of older adults in the United States and Canada filled a prescription in the last few years for one of many medications that the American Geriatrics Society recommends they avoid. Such drugs can lead to…