Mobile Phone do emit radiations while they are on even if they are not transmitting data. The radiation from cell phones is of very low intensity but its persistency can cause numerous neurological problems. It can cause brain cancer, headaches, earaches, blurring of vision, short-term memory loss, numbing, tingling, and burning sensations, bad sleep,fatigue, Anxiety etc. For details see the link below:
Cell Phone
Cell Phone
