Which of the following is a warning sign of violence in children?

While sadness can be a symptom of many mental health issues in children, it is not typically considered a warning sign of violence. Use of alcohol is a warning sign of violence in children. Substance abuse can impair judgment, increase impulsivity, and lead to aggressive behavior. Relationship difficulties can be a symptom of many mental health issues in children, but they are not typically considered a warning sign of violence. Though thought disorders can lead to behavioral problems, they are not directly associated with violence in children.