Every thing has advantages as well as disadvantages. One can’t ignore or limit its credibility to certain bounds. You might be hearing some hazards from mobile phones but we in usual practice ignore them and don’t take them at any serious account, whereas these things are too hazardous for us at the same time they are a source of entertainment!
Mobile phones main disadvantage which has been much highlighted by now is that it can cause us an accident if we intend to use it while driving and its not only us who are affected by this but also other people who are around us. This is one disadvantage which we are now aware of, but in real life their are soo much of hazards which these little things are causing to us. Check for yourself by which extent are you in grip of these hazards