History and prevalence of ADHD in adults -- Diagnostic criteria for ADHD in adults -- Defining ADHD in adults: making the diagnosis in the UMASS and Milwaukee studies -- DSM symptom utility and the issue of age of onset -- Impairment in major life activities -- Identifying new symptoms of ADHD in adulthood -- Comorbid psychiatric disorders and psychological maladjustment -- Educational and occupational functioning -- Drug use and antisocial behavior -- Health, lifestyle, money management, and driving -- Sex, dating and marriage, parenting, and psychological adjustment of offspring -- Neuropsychological functioning -- Summary, conclusions, and treatment implications.