Excessive alcohol use is associated with a variety of negative behavioral events including: crime, violence and domestic abuse, motor vehicle and other accidents, trauma and burns.  Suicide is much more frequent and alcoholics. Alcoholism is associated with a number of psychiatric conditions including anxiety disorders, affective disorders, and schizophrenia.  Alcohol use is a major comorbid factor complicating the management and treatment of patients with psychiatric illness.
 Alcohol increases the morbidity and mortality from trauma. The risk for an accident while driving doubles with a blood alcohol of only .05%. Alcohol is involved in up to two thirds of all homicides in one quarter of all rapes. There is no safe level of alcohol use during using dangerous equipment. There is an increased incidence of suicide following alcohol which is related more to the amount consumed per occasion and not the frequency of intake.