Using alcohol, cigarettes, and marijuana during adolescence is associated with risks, yet there is no single cause for adolescent substance use. The etiology of substance use develops over time, across multiple levels of influence. Informed by developmental perspectives, in this review, we provide an overview of biological (e.g., genetic,…

Describes research on the causes, treatments, and diagnoses of autism. Describes a statewide outpatient program in North Carolina which includes elements of behavior modification, developmental assessment, problem-oriented goal setting, community support, and the training of both child and parent. (Author/DS)