times it seems to people that they hear a mobile phone call though actually the device didn't call or has been at all switched off. Such cases at least time occurred to all owners cellular, however at some people nonexistent calls become a chronic phobia. This phenomenon has received the name «mania of a call».
Especially promptly mobile dependence at children develops. For example, in London of children of 97 % have the mobile phone and use it about 5 hours per week. Such state of affairs causes anxiety not only in psychologists, but also at doctors. In 2001 Management of researches of EuroParliament has published the report with recommendations for European Union member countries: to enter an interdiction for using cellular telephones children who have not reached teenage age. Even it was offered to withdraw toy mobile phones from sale not to form at children too early interest to mobile communication.