radiations affect when phone is ringing . try to use headphones or keep phone away from ear while it s ringing only when the communication is started phone should touch little to ear.
We should not keep cell phones under the pillow while sleeping rather keep at a distance of at least one feet to avoid the harmful radiations as these damage our internal organs and often cause cancer...
stop using it , c'mon a very simple solution , and if there is then , it only known by scientist who will discover and implement , not by our mango people.
I think its also important to limit our conversations to the minimum time possible.Using the text option would help in case of crisp and short messages.