There is some evidence to support the claim that violence in entertainment can be harmful to children. Studies have shown that children who are exposed to violence in the media are more likely to be aggressive and to engage in violent behavior. Additionally, children who are exposed to violence in the media are more likely to have nightmares and to be anxious.
Despite the potential negative effects of violence in entertainment, there is also some evidence to suggest that it can be beneficial. For example, some studies have shown that violence in the media can help children to develop coping skills and to learn how to deal with difficult situations. Additionally, violence in the media can be used to raise awareness of important social issues.
Overall, the effects of violence in entertainment on children are complex and there is no easy answer. However, it is important to be aware of the potential risks and benefits of exposure to violence in the media and to make decisions about what is appropriate for your children.