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Top 10 smart phone habits you should avoid (7)

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7. Making long calls

Mobile phones transmit radio waves through a series of base stations where radio frequency waves are electromagnetic fields that cannot break chemical bonds or cause ionization in the human body, says the World Health Organization (WHO). But adults and especially children might suffer the long-term effects of radiation waves on the brain. Preferably use the mobile only for messages and very short calls.


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(For the latest China news, Please follow People's Daily on Twitter and Facebook)(Editor:Gao Yinan,Wu Chengliang)

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