Individuals with personality disorders are also prone to attempted suicide. A history of alcohol and drug abuse, or criminal behavior, is sometimes found. Alcohol predisposes individuals to suicidal acts by increasing the intensity of depressive mood swings and lowering self control. Drug ingestion is the most common method used in suicide attempts. The use of fire arms is the leading method of completed suicides.
Marriage is associated with a significantly low suicide rate.
There are two general categories of suicide prevention. The second category of prevention is crisis intervention. In most communities there are suicide hotlines. Bibliography Ahrens and others, 1995. Excess cardiovascular and suicide mortality of affective disorders may be reduced by lithium prophylaxis.