The document discusses the debate around whether violence in mass media promotes real-world violence. Some research has found correlations between viewing media violence and increased aggression, citing theories like social learning. However, other research argues this relationship has not been proven and other factors better predict violence. The author concludes that mass media may increase violence in some instances for susceptible individuals, but has not been shown to universally cause violence in all viewers, and other predictors like genetics also influence aggression.