Abstract
Suicidal and nonsuicidal self-injurious behaviors represent perplexing yet highly prevalent public health problems. Though the behaviors are differentiable, they frequently co-occur. The nature of the association between them, however, remains poorly understood. The interpersonal theory of suicide (Joiner, 2005; Van Orden et al., 2010) offers one viable framework for enhancing our understanding in this domain. In this review, we provide an overview of the literature on nonsuicidal self-injury, its relation to suicidal behavior, and how the interpersonal theory of suicide conceptualizes this relationship. Alternative perspectives and future directions are also discussed.
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