But do they also cause cancer?
That's been a debate in the medical community for almost as long as mobile phones have been around.
Just click on the monitor to hear the rest of my Notebook.
Watch CBS News anytime, anywhere with the new 24/7 digital news network. Stream CBSN live or on demand for FREE on your TV, computer, tablet, or smartphone.Watch Now
For your Android phone and tablet, download the FREE redesigned app, featuring CBSN, live 24/7 news.Download