This book presents current research in the study of substance abuse. Topics discussed include cocaine-dependent patients with antisocial personality disorder; drug abuse and neuro-AIDS; alcohol and substance abuse among older adults; sexual abuse in men with substance abuse problems; cognitive dysfunction in cocaine abuse; current controversies in the assessment and treatment of heroin addiction; psychotropic analgestic nitrous oxide (PAN) for substance abuse withdrawal; and, carisoprodol withdrawal syndrome and new research on methamphetamine abuse.