Today's society more and development, information technology has also been very popular globally. But this is not always entirely useful.
Because information technology development, products such as computers, smartphones, iPad, .. .The also used to try many teenagers were dependent on PC too much. They spent all his spare time to play games on the computer and it can cause harmful effects such as myopia. Most children today are short-sighted because sitting too long at a computer. The brightness of the computer and exit radiation can cause blurred vision and dryness. Excessive computer use may also cause risk of obesity and affect bone because children are not out campaigning, the food will accumulate causing overweight and bones will be affected causing spinal disease. Also playing too much computer can be restricted develop thinking, play games will drive children to concentrate on the game, ignoring the surrounding reduce creativity. If any free time playing computer will have less exposure to the garden people, has a limited ability to communicate, will have big impacts on the future of children
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