Epidemiology and psychiatric comorbidity / Thomas R. Kosten and Thomas F. Newton -- History, use, and basic pharmacology of stimulants / Colin N. Haile -- Diagnoses, symptoms, and assessment / Thomas R. Kosten -- Behavioral interventions / Jin H. Yoon, Rachel Fintzy, and Carrie L. Dodrill -- Pharmacotherapy / Thomas F. Newton, Richard de la Garza II, and Ari D. Kalechstein -- Polydrug abuse / Richard de la Garza II and Ari D. Kalechstein -- HIV and other medical comorbidity / Valerie A. Gruber and Elinore F. McCance-Katz -- Summary and future directions / Thomas F. Newton and Colin N. Haile