Mobile phone companies agree that there is some radiation, but they say the amount is too small to worry about As the discussion about their safety continues, it appears that it's best to use mobile phones less often Use your regular phone if you want to talk for along time, Use your mobile phone only when you really need it. Mobile phones can be very useful and convenient, especially in emergencies, In the future, mobile phones may have a warning label that says they are bad for your health. So for now, it's wise not to use your mobile phone too often.