Asia has not been spared either. According to Telecoms Korea, 3 out of 10 Korean high school students who carry mobile phones are reported to be addicted to mobile phones. The report also added, a big 21% of 270 high school students carrying cell phones responded that they feel anxious when their handsets are not in their hands and 8% of them said that they feel very frustrated without mobile phones. 10% of the respondents already reported of pain in the shoulder or wrist. This is repetitive strain injury - pressing small keyboards of cell phones causes poor blood circulation and pain in the shoulder.
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