I'm Dr. John Whyte, chief medical officer at WebMD. Joining me today is Dr. David Feinberg. He's the vice president of Google Health. And Bob Brisco, he's the CEO of WebMD and Internet Brands.

Why it matters: Many of us have used WebMD or Dr. Google to double check medical symptoms or a treatment, including for loved ones, only to remember that they're full of unvetted noise.

More than a million health and wellness apps are available from the Apple and Google app stores, with more being added daily. With so many health-related apps to choose from, how can you decide ...