Introduction to the special section: research on the nature and treatment of alcoholism--does one inform the other?

Although the 2 topics of the nature and treatment of alcoholism have both been investigated for years, they are just recently beginning to interface with and complement one another. This special section addresses the interface from both perspectives and covers content areas that touch on current issues, research and treatment trends, and controversies in the alcohol field. The first 2 articles focus on the nature of alcoholism with commentary on implications for treatment, and the second 4 articles shift to examine research on treatment of alcohol problems, with implications for understanding the nature of alcoholism. This introductory article describes the special section, summarizes the articles in the section and integrates the information to discuss areas of increasing interface between research on the nature and treatment of heterogeneous substance abuse problems.