As far as I know, some people have the unnecessary fear that there might be harmful radiation to human bodies.
2
长时间的看电脑，电脑发出的辐射对人体有很大的害处。
The radiation from the computer will do harm to peoples health if you keep on watching the computer for a long time.
3
笔记本电脑是有辐射的，一般使用笔记本距离身体又很近，长时间使用对人体不利。
The notebook has the radiation, generally the use notebook is away from the body to be very also near, the long time use is disadvantageous to the human body.
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