Substance use disorders : definitions, treatment, and misconceptions -- Understanding mood-altering substances -- Assessment, diagnosis, and treatment planning -- Levels of care : what happens where? -- Acute intoxication and withdrawal potential -- Biomedical conditions, medications, and genetic factors -- Coexisting mental disorders -- Recovery and the living environment -- Spirituality : the neglected dimension -- Initiating commitment : structured intervention strategies -- Behavioral change : developing essential counseling skills -- Maintaining commitment : relapse prevention therapy.