Using the computer

daily life and bad part that threaten our health. We have to be more careful to using computer for our health.
Our life is very changed by using computer. It's very useful when we shopping online, looking for information and so on. But, on the contrary, The negative aspect also there. For example, trouble with eyesight. Most of the job conducts by computer; so many people use it very long time. In the end, their eye's hurt, moreover back and waist. Including those things, computer brought out to good part our daily life and bad part that threaten our health. We have to be more careful to using computer for our health. (91words/3889words)