It is clear that watching TV makes children too much lack of exercise, this can cause them to face health problems such as obesity or myopia. Besides, it also affects children's academic achievement. School children watch too much TV, but tend to do little more homework. Moreover, when we lose sleep because of TV, throughout the day we will become little more alert, which leads to poor academic performance. In summary, due to its disadvantage that children need to spend time watching TV a reasonable way.
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