Frequent bullying predicts adolescent mental health problems, particularly depression. This population-based study with young Australian primary school children aimed to determine the frequency and mental health correlates of bullying, and whether friendship could be protective.. To read the full article, log in using your SSSFT NHS OpenAthens details. SSOTP - You can request a copy of this article by replying to this email. Please ensure you are clear which article you are requesting.