National Institute on Drug Abuse
Comprehensive web-site with research and treatment reports and news. Includes a site for teachers and students with educational materials. Fact sheets on drug abuse, including the most recent economic costs report. http://www.nida.nih.gov
The Why Files
Well-researched, educational descriptions of the actual science behind current news stories. From the University of Wisconsin, supported by the National Institute for Science Education of the NSF. http://whyfiles.org/