1.Why is suicide so important to study?rnWorldwide,there are about one million suicides annually.In the United States (USA) approximately 750,000 people died by suicide over the last 25 years.Suicides outnumber homicides by at least a 3:2 ratio in the USA.Deaths from suicide exceeded deaths from AIDS by 200000 in the past 20 years.Four times as many Americans died by suicide during the Vietnam War than from wartime fatalities.