Here's what to do if you're worried about cellphones causing cancer

A new and partial report from the U.S. National Toxicology Program found a likely link between high amounts of cellphone radiation exposure and cancer development in male lab rats. While older reports have shown that cellphones aren't noticeably harmful for humans, it's still a potentially concerning development.

If you are concerned, and want to prevent the small possibility that radio-frequency emissions from your cellphone might cause cancer, there are some things you can do to put your mind at ease — besides wrapping yourself in aluminum foil (which won't work). Read more...