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NIDA

Prevention Research

Teen Foster Care Program Reduces Drug Use in Early Adulthood

New findings from a follow-up to a NIDA-supported trial indicate that the benefits of Multidimensional Treatment Foster Care extend to a reduction in illegal drug use in young adulthood.

Intervention Yields Sustained Health Benefits for American Indian Teen Mothers and Their Children

Family Spirit, a program that teaches parenting skills to American Indian teen mothers, improved participants’ children’s emotional and behavioral development throughout their first 36 months of life.

Communities That Care System Helps Prevent Problem Behaviors in Youth Through 12th Grade

Extending the prevention interventions to target risk factors through the high school years could strengthen effects on substance use and delinquent behaviors on the cusp of adulthood.

Expanded HIV Screening Projected To Decrease Spread of the Virus

Intensified screening for HIV among injection drug users receiving opioid agonist therapy could prevent more than twice as many new infections as current screening practice. A recent study based on mathematical modeling found that screening every 6 months instead of annually, and adding viral RNA testing to the currently used HIV antibody testing, could improve both effectiveness and cost-effectiveness.

Early-Onset, Regular Cannabis Use Is Linked to IQ Decline

Regular cannabis use that starts in adolescence strips away IQ, a NIDA-supported study suggests. Participants who initiated weekly cannabis use before age 18 dropped IQ points in proportion to how long they persisted in using the drug. Persistent cannabis users’ cognitive difficulties were evident to friends and family and measurable on a battery of tests.

Lessons from Prevention Research

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