Project TND is a drug prevention program for high school youth who are at-risk for drug use and violencerelated behavior.

It originally consisted of nine sessions designed to address issues or substance abuse and violence: 1) Communication and Active Listening, 2) Stereotyping, 3) Myths and Denial, 4) Chemical Dependency, 5) Talk Show, 6) Stress, Health and Goals, 7) Self Control, 8) Perspectives, and 9) Decision Making and Commitment.

Three new session were added from the third trial on; that is, most trials utilized a 12-session program.

These three newer sessions are the 1) Marijuana Panel, 2) Positive and Negative Thought Loops and Subsequent Behavior, and 3) Smoking Cessation. Classes are taught by trained health educators, who administer the curriculum over a 3-week period.

Compared to control groups of students, TND students showed: 27% prevalence reductionin 30-day cigarette use. 22% prevalence reduction in 30-day marijuana use. 26% prevalence reduction in 30-day hard drug use.

Long-term (at years 4 and 5) maintenance effect for 30- day hard drug use. 9% prevalence reduction in 30-day alcohol use among baseline drinkers.

Lower probability of 30- day tobacco and hard drug use for the health-educatorledcondition at the 2-year follow-up.

Lower level of marijuana use among male baseline nonusers in the health-educatorled condition at the 2-year follow-up.

21% relative reduction in weapon carrying among males.

23% relative reduction in victimization among males.