Besides the benefits, there are also many limitations of using computers or mobile phones for recreational activities such as eye diseases, addiction, etc. Everyone knows the harmful effects of dryness. , blurred or red eyes of looking at the smartphone screen for too long, but most people are not aware of the importance of keeping their eyes. When eye diseases come to seriously reduce our eyesight, we will panic, but by then it is too late. Of course, the stimulant in the phone is its outstanding feature. makes you when you sink into the virtual world, you are almost unaware of the world around you. Delay in work progress, not paying attention in meetings or forgetting about responsibilities are consequences caused by mobile phones. This seriously affects your social relationships and your own pace of life. Not only the above diseases, too much smartphone use also causes many other diseases. So, always Use smartphones sensibly.

Đây bạn nhé 

 When we use computer more than 5 hour per day it can influence to our health: eye disease, backache and many other disease. We will be fall of status lack of communication, we will have many virtual friends, however, in real world we don`t have friend ! Many people are addicted game, facebook and chat, it will make us waste time and lazy. That is the problem relate virus and insecurity of the internet.. Internet, specially Google make us are lazy thinking.

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