A website with extensive information about adolescent development, constructed by a professor at Penn State and her students.

An electronic directory to resources related to adolescence, maintained at Indiana University.

Information on topics related to adolescence from the University of Minnesota.

Information on many topics related to adolescence.

Information and links to other sources on a variety of topics related to adolescence.

Statistics going back to 1975 from this annual survey of adolescent drug and alcohol use.

Information on preventing drug use in children and adolescents.

Three organizations with information about adolescent sexual behavior and pregnancy.