In this interview, we hear from three of the authors of a prospective cohort study on childhood peer victimization and its effect on mental health during adolescence. They discuss the findings and offer practical advice on how to address and prevent bullying and victimization at home, in schools and from a physician's perspective.Dr. Marie-Claude Geoffroy is a clinical psychologist at the Douglas Institute in Montreal specializing in children and adolescents with severe mood disorders and suicidal thoughts. She is also an assistant professor of psychiatry at McGill University.Dr. Johanne Renaud is a child and adolescent psychiatrist and associate professor of psychiatry at McGill University. She leads the Depressive and Suicidal Disorders Clinic for youth at the Douglas Institute.Dr. Louise Arseneault is a professor of developmental psychology at King’s College London and was recently appointed Economic and Social Research Council Mental Health Leadership Fellow.Along with their co-authors, they authored a research article published in CMAJ.Full research article: www.cmaj.ca/lookup/doi/10.1503/cmaj.170219To request a transcript of this podcast, contact cmajgroup@cmaj.caSubscribe to CMAJ Podcasts on Apple Podcasts or your favourite podcast app. You can also follow us directly on our SoundCloud page or you can visit www.cmaj.ca/page/multimedia/podcasts.