The 2025 NSDUH shows estimated past-month marijuana use among teens aged 12–17 dropped to 5.0% — a multi-decade low — while young adults aged 18–25 trended downward or stable. Here is what the federal data actually says, what it means for the DMV, and why compliant adult-use markets may be part of the reason.

New research from 2025 looked at how heavy cannabis use impacts cognitive function. This article unpacks the findings and provides context for DMV cannabis consumers.