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1) The use of new games consoles requires physical movement in front of the TV, which can lead to serious strain on the shoulder due to repetitive motions in a confined space. Doctors advise against playing for extended periods and suggest warming up beforehand, treating the game as you would any physical activity.
2) Earphones deliver music directly to the ear canal, and while the genre of music doesn't matter, the volume on the MP3 player can cause hearing loss. Researchers suggest setting the volume at a low level where you can still hear external conversations without people having to shout, as an indicator of safe sound levels.
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