Participants noted that treatment services for adolescents are scarce, underfunded, and often not tailored to their special needs. National surveys reveal that use of alcohol begins at an early age and that about 5 percent of high school seniors use one or more illicit drugs on a daily basis. Awareness is increasing of the frequent simultaneous existence of mental health and drug problems. Teenagers who abuse drugs daily are more often involved with other high- risk behaviors that can lead to sexually transmitted diseases, suicide, and homicide. Another trend is that whole families are often now involved with illicit drugs, leaving few drug-free guardians available to provide support to teenagers. Screening and assessment should precede treatment, because use of drugs is not by itself an indication of a need for treatment. The two treatment models are the psychiatric model and the addiction model. Congress has recently enacted substantial increases in treatment funding.