it has been widely recognized that mobile phone can do a lot of harm to people's health and many evidence can be named to prove this.

for one thing, not only can they harm your eyes,making you be short in sight,but also scientists have proved that they can also affect your brian as well. for another,it is a waste of time to usse mobile phone too much,which will makes you addicted. moreover, mobile phones can also spread some false information to cheat you. last but not least,it can be a waste of energy and money.

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so ,only when you face this problom carefully,can you avoid its bad effcets.