on camera interview. the type of radiation coming out of your cell phone is non-ionizing. it's more like a how powered microwave oven. >> what microwave radiation does, in the most simplistic terms, is very similar to what happens to your food when you put your food in a microwave oven. it's essentially cooking the brain. >> reporter: based on their past statements, the fcc isn't convinced there's a real risk and maintain "they do not endorse the need for consumers to take any precautions to predeuce exposure." >> sanjay, this piece is really fascinating and terrifying, i got to say. these cell phones haven't been around long enough to have an accurate sense of whether or not they're safe. >> that's the issue. there haven't been studies to show they're dangerous but there are not studies to show they're safe either.