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The focus on assessing dangerousness in routine psychiatric practice developed when relatively little was known about factors related to violence, and the accuracy of predicting violence was distinctly below chance. Since the 1990s, however, significant research attention has been directed toward factors related to violence and mental illness, as well as toward factors related to the accuracy of risk assessment techniques. Sociodemographic and environmental variables have been identified as significant predictors of violence, as has the presence of substance abuse. However, the data on specific mental health variables are somewhat mixed. Many studies point to a modest increased risk of violence associated with major mental illness and psychosis, whereas other noteworthy studies have failed to confirm such findings. Studies of the accuracy of risk assessments indicate that both actuarial and clinical methodologies perform better than chance, although the former achieve greater statistical accuracy. Despite ongoing controversies, risk management strategies that encompass the strengths and limitations of our present knowledge are available to clinicians.

The vast majority of the world's population is affiliated with a religious belief structure, and each of the major faith traditions (in its true form) is strongly opposed to suicide. Ample literature supports the protective effect of religious affiliation on suicide rates. Proposed mechanisms for this protective effect include enhanced social network and social integration, the degree of religious commitment, and the degree to which a particular religion disapproves of suicide. We review the sociological data for these effects and the general objections to suicide held by the faith traditions. We explore how clinicians may use such knowledge with individual patients, including routinely taking a religious/spiritual history. The clinician who is aware of the common themes among the faith traditions in opposition to suicide is better prepared to address religious/spiritual matters, as appropriate, in crisis situations. The clinician who understands the patient's belief system is also better prepared to request consultation with religious professionals when indicated.

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