One of the problems about video games which parents face is that …………...

Many parents are becoming increasingly worried about their children's addiction to video games. They believe that playing for too long can be harmful to their health. Parents are afraid that their children's personality will be affected, and many have frequent arguments with them about their playing habits. Actually, there is no scientific proof that video games are dangerous even if played for many hours a day. Another difficulty for parents is that, although most basic computer equipment is quite cheap, the games themselves are often very expensive.