Wherever you are, you can see many people equipped with mobile phones. It seems that the world becomes smaller nowadays. You could be found or found other people so long as take the mobile phone, people communicate each other more easier. Some people consider the mobile phone is necessary in daily life.
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Mobile phones transmit radio waves, any kind of radio waves absorbed by human body, it may impact on human health, these waves are called mobile phone radiation. Radiation is most intense where the top part of the mobile phone antenna, when people using mobile phones, the brain is most near the antenna, it will certainly have a negative impact on the human brain.
Research & sketch
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