Is it true that talking on a cell/mobile phone for long periods of time can

[crraazzyy1]

cause brain damage or cancer? ? Ive heard a few people say that it does - not sure if its a myth or not. But does it impact your brain in any way? By being on a mobile/cell phone a lot and holding it right next to your head when your on the phone?

The same could be said about the amount of radio waves (tv, radio, wifi etc) going through the air constantly couldnt it?

Thanks for your answers