Big data peeps at your medical records to find drug problems

No one likes it when a new drug in people's medicine cabinets turns out to have problems—just remember the Vioxx debacle a decade ago, when the painkiller was removed from the market over concerns that it increased the risk of heart attack and stroke. To do a better job of spotting unforeseen risks and side effects, the Food and Drug Administration is trying something new—and there's a decent chance that it involves your medical records.