... 103,104 For example, substance abuse is an individual-level behavior that is a risk factor for all forms of violence 8,13,15,42,72,76,105,106 and also a health outcome that is linked to risk factors at the community and relationship levels such as neighborhood poverty 107 and lack of social support. 108 Other risk factors at the individual level that are associated with increased risk for perpetration of almost all forms of violence include low educational achievement 5,42,76,79,109,110 lack of nonviolent coping skills, 5,18,27,75,76,79,80,111 poor behavioral control/impulsiveness, 5,18,29,52,75,76,79,111 history of violent victimization, 8,[10][11][12][13]18,42,112 witnessing violence, 18,29,52,76,94,113,114 and psychological or mental health problems. 8,12,13,18,42,76,115 Conversely, improvements in nonviolent problem-solving skills have been found to be protective against perpetration of some forms of violence including child abuse and neglect, 116 teen dating violence, 117 youth violence, 118 and suicide. ...