About 90% percent of Americans, and four billion people worldwide, use cell phones.

There have been whispers about a link between cell phone use and brain cancer for decades. But while the state of Maine and the city of San Francisco consider requiring a warning label on cellular phones, the FCC and the mobile phone industry say there’s nothing to worry about.

Today we’ll talk to experts on both sides of this divide and try to figure out just what the available data means.

Is your cell phone a danger to you and those around you? What about cell towers and wi-fi? What about the FM radio you’re listening to right now?

*This episode was also produced by Jonathan McNicol