When the motion is only repeated in the neck and fingers, it will cause great impact on ligaments and muscles as we sit too long. For example, while we play or watch something without movement, travel only about 30 minutes, then we will feel uncomfortable, such as neck pain, muscle fatigue, back pain. Yet there are some people sitting in front of computer screens, phone, or some other electronic items even a few hours. They may encounter problems related to bones and muscles. Moreover, many electronics use will adversely affect the health of the eyes by looking at the screen for too long light. Worse, those addicted to the computer, they will not manage the time, causing difficulty in sleeping. From there arose the serious problem of health like obesity, memory loss ... Therefore, the computer can still cause us a lot of harm affecting the health and mentality.
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