First of all, computers affect to the health of human. If you're at the computers all day, you may damage your eyesight and may also develop backache. According to Thanh Nien newspapers, about 1000 persons older than 18 revealed that 82% used frequently the computers , 42% spent over three hours daily in front of a computers screen. As you know, sitting on front of a computers for long is dangerous for your eyes. It make your eyes dry, tired eyes, dizziness, especially is myopia that has caused eye problems to adults and even teenagers. Not just that, it can also effect some body parts such as brain, neck, fingers... Therefore, using a computers is very important to keep a good healthy in our life and not to use anything too much. Computers should be used only for a few hours in a day, it will make you fell comfortable better than when you sit front of a computers all day.
Second, computers make people so lazy and not think anything. This is definitely a bad thing, especially for the younger generations. Because they rely on computers for everything , from paying bills, to applying for jobs, for online shopping, even though do homework... For example, if we want to find information, we can just type in the words and get information in just seconds. Not only that, computers also serve as a online shop because for those who can't find time to go to the shops to buy things, so they can always order things online. It saves time for them. Not just that, the people sitting in front of a computers all day, they