Death initiators- think they are just hastening an inevitable death. Death ignorers- think their death is the beginning to a new life. Durkheim: egoistic suicide by people feeling alienated from and unsupported by others, anomic suicide by people disoriented by shift of role and perceived worth in society, altruistic suicide by people believing that their death will benefit society. Psychodynamic- extreme expression of anger because the love object abandonment. Mental disorders- increases risk, e. g bipolar, depression etc. Impulsivity- people who commit suicide generally commit impulsive acts. Cognitive theories- hopelessness and dichotomous thinking increase risk for suicide. Neurotransmitter- deficiencies in serotonin lead to impulsivity and violence and suicidal. Treatment: community-based prevention, crisis intervention programs, suicide hotlines, drug treatments www. notesolution. com, lithium, selective serotonin reuptake inhibitors (ssris), In special circumstances antipsychotics: psychological treatments, dialectical behaviour therapy and other psychotherapies, guns and suicide. The mere presence of a firearm in the house appears to be a risk factor for suicide.