Dr. Oz

Illustration: Chris Sila Neal

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According to data from the Pew Research Center, 72 percent of Internet users say they turn to the Web for health information in a given year. I know it's tempting, especially late at night when the doctor's office is closed, but I'd urge you to step away from the keyboard. Some online resources can yield inaccurate, even dangerous, advice. I asked the analysts at Google to share some of the most commonly searched health questions. Here are answers you can trust—and some online advice you should disregard.