LAUSR

Purpose of review Social Contagion is defined as the spread of behaviors, attitudes, and affect through crowds and other types of social aggregates from one member to another. Adolescents are prone to social contagion because they may be especially susceptible to peer influence and social media. In this article, we provide a brief review of the most recent findings on social contagion, violence, and suicide among adolescents. Recent findings Recent evidence support social contagion in gun violence, bullying, cyberbullying, violent offending, and suicide, but is inconclusive on the role of violent video game exposure on aggressive behavior. Summary The mechanisms underlying the contagion effect of violence and suicide are currently unclear. It has been argued that social learning, identification with significant others, and the normalization of specific norms play a role. All these mechanisms require understanding social contagion as a complex interaction between individual, relational and social factors. This is key if the social contagion perspective is to be used not only to investigate negative outcomes, but also as a framework for promoting prosocial attitudes and behaviors. Additionally, more research is needed on psychosocial interventions and public policies to minimize the potential spillover effect of violence and suicide.