The document summarizes the key impacts of alcohol consumption according to a 2004 WHO report. Around 2 billion people consume alcohol worldwide, with average consumption highest in Europe. Heavy drinking can lead to health issues like alcohol dependence and liver disease. Drinking during pregnancy poses risks to the fetus. While moderate consumption may provide some heart benefits, higher levels increase health risks. Alcohol also contributes to social issues like violence and lost productivity at work. Reducing harmful drinking requires policies that consider local customs around alcohol.