A nontechnical, comprehensive overview of the subject of cocaine use, for those whose lives have been, or may be, affected by cocaine and for those who treat cocaine users. It discusses what cocaine is, the different methods of its use, its effects on the brain and other organs, and its psychological and social consequences for users and those around them, both at home and in the workplace. It also discusses cocaine dependence--how it happens, who is at risk, how to treat it, and how to find help. Includes a list of commonly asked questions about cocaine and a self-test for cocaine dependence.