Phone Radiation Concerns

In recent years there have been some concerns expressed about the safety of mobile phones in regard to radiation.   While these concerns may be valid,  the World Health Organization,  after studying radiation, has not come out with any recommendations mobile phone radiation protection yet.   Some countries have come out with their own recommendations including to use the phone hands free and to keep the phone away from the body.  Another recommendation is to no use the mobile phone in the car without the use of an external antenna.  So it looks like the jury is still out on whether or not there is a hazard but I am still careful just the same.