Understanding Nonsuicidal Self-Injury

Nonsuicidal self-injury (NSSI) is the deliberate damaging of one's own body tissue in the absence of any intent to die. Although reports of this behavior span centuries, reported instances of NSSI have increased dramatically over the last 20 years. Until now, there has been no authoritative book on the topic that evaluates why this behavior occurs and what evidence-based assessment and treatments are available. Editor Matthew K.