why children should not have tvs in their rooms ?请用英语回答~急啊~~~

why children should not have tvs in their rooms ?
请用英语回答~急啊~~~

1.Children are hard to control themselves,they can be easily attracted to the programs.
2.The radiation from TV can cause harm to child's health.
3.Affect a child's study progress if he'she watches too much TV.

because they are often watch tv and don't study.

Because the kids can not control themselves very well.If they are allowed to see tv in their rooms without parents or other adults,they may watch it day and night.

radiation