This document discusses chronic alcohol abuse and alcoholism. It defines alcohol abuse and dependence, and notes that an estimated 8.5% of US adults meet criteria for one or the other. Alcoholism is defined as a physical addiction where drinking continues to cause problems. It is considered a multidimensional condition typically defined by preoccupation with drinking, emotional and vocational problems, and physical health issues. Genetic and environmental factors both contribute to risk. Fetal alcohol syndrome is also discussed as a major health issue caused by maternal drinking.