There are many problems in our world, but one of the most important is TV. Children and their parents like to watch it in their free time. But TV causes many problems such as: problem with eyes, with back or head. In fact, we even can't stop the problem, because it 's too late. But many people disagree with this opinion. They think, that is funny and easy to solve the problem. And some people like doctors or even parents agree with me. They must controle their children or themselves. As you can see, TV - is a very big problem for us, and we must do something!