New study aims to create a marijuana impairment test for drivers

NCT ID NCT05115513

First seen Nov 01, 2025 · Last updated Jun 15, 2026 · Updated 37 times

Summary

This study looked at how smoking marijuana affects thinking and driving skills in 41 adults aged 18-55 who use cannabis regularly. Researchers tested memory, coordination, and simulated driving at different times after use. The goal was to see if a simple field test could reliably detect impairment, similar to a breathalyzer for alcohol.

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Contacts and locations

Locations

  • Olin Neuropsychiatry Research Center

    Hartford, Connecticut, 06106, United States

Conditions

Explore the condition pages connected to this study.