Does the amount of Radiation the iPhone 4 emits dangerous?

I have read that the amount of radiation emitted from the iPhone 4 is and isn't dangerous. I'm confused to wether it is very or is not. And under what conditions would the radiation be dangerous?

I just got an iPhone 4. When I read these articles I got a bit worried. Cancer runs in my family, and I would like to prevent it from happening to me. Can the radiation of the phone increase my chances?

And if it does emit high radiation, what are some ways to prevent it from entering my body? Like cases, holding distance during phone calls, etc.

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The radiation emitted is still low enough to not be harmful for normal use. Just don't death grip the phone to your head and don't talk all the time. You will be just fine. The FCC wouldn't allow harmful radiation to the mass population like that.