About 35% of U.S. adults have gone online in the past year to diagnose their own or another person's medical condition, according to the Health Online 2013 report by the Pew Research Center's Internet & American Life Project. Nevertheless, there's no evidence that consumers are using Internet sites to diagnose themselves instead of consulting physicians, said Susannah Fox, associate director of the Pew Internet Project, in an interview with InformationWeek Healthcare.