This report presents results from the Treatment Episode Data Set (TEDS) for 2003, and trend data for 1993 to 2003.1 The report provides information on the demographic and substance abuse characteristics of the 1.8 million annual admissions to treatment for abuse of alcohol and drugs in facilities that report to individual State administrative data systems. . . . Five substances accounted for 96 percent of the 1,840,275 TEDS admissions in 2003:1 alcohol (42 percent), opiates (18 percent, primarily heroin), marijuana (15 percent), cocaine (14 percent), and stimulants (7 percent, primarily methamphetamine)