And to be fair, even in the most avid user, phone radiation makes up only a small fraction of the brain's exposure to radio waves.

Certainly the site's avid users are already tuned into what's wrong with it.

Smith is an avid user and advocate of social media.

She is also an avid user of Twitter and Facebook.

Indeed, with generally low staffing levels they are avid users of press releases, articles and any other old junk you can throw their way.

Now, the problem is, I mean, I'm an avid user of hibernation.

Mays claimed to be an avid user of the products he promoted.

The deal will probably not surprise avid users of eBay, since other examples turned up, too.

Mike is an avid user of Twitter and has been a popular athlete to follow at @mikejanyk.

Language teachers have been avid users of technology for a very long time.