Suicide prevention is the multidisciplinary academic field and applied practice dedicated to understanding, predicting, and reducing the incidence of suicide and suicidal behavior. It encompasses rigorous research into the complex psychological, social, biological, and environmental determinants of suicidality, the development and rigorous evaluation of evidence-based interventions across individual, clinical, and public health domains, and the implementation of comprehensive strategies aimed at identifying individuals at risk, enhancing protective factors, and providing effective support and resources to mitigate suicidal mortality and morbidity within populations.