... health, and leads to some kinds of disease like obesity and eyehurting All things considered, I still remain that computers bring a better and safer world to live, although there are few disadvantages ... the other hand, since the appearance of computers, more and more people rely too much on them Instead of working by themselves, some people try to use computers, which affects negatively to their ... better and safer world to live, although there are few disadvantages However, we can improve them by controlling the habit of using computers ...