Eighty percent of American internet users, or some 113 million adults, have searched for information on at least one of 17 health topics. The percentage of internet users who search for health information has been stable over the past four years, even as the internet population has grown and broadband connections at home have become the norm. The groups most likely to have sought health information online are: women, internet users younger than 65, college graduates, those with more online experience and those with broadband access at home. Read More

Russell Heimlich  is a former web developer at Pew Research Center.