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By terrasig on December 23, 2009.
On December 14 (last week), the US National Institute on Drug Abuse (NIDA) released the findings on adolescent drug use and trends as determined from the 35th annual Monitoring the Future (MTF) survey (
press release). The ambitious survey is conducted with NIDA funding by the University of Michigan s Institute for Social Sciences led currently by Dr. Lloyd Johnston. The larger survey began in 1975 with only high-school seniors and was expanded in 1991 to include 8th and 10th graders to improve the ability to measure changes as a population progresses through school. A very detailed white paper on the MTF methodology is available as a