Updated · University of California San Diego · Apr 20
Teen Cannabis Use Linked to Slower Brain Development, Major US Study Finds
Updated
Updated · University of California San Diego · Apr 20
Teen Cannabis Use Linked to Slower Brain Development, Major US Study Finds
30 articles · Updated · University of California San Diego · Apr 20
A major US study has found that teen cannabis use is linked to slower cognitive development, including memory, attention, and thinking speed.
Researchers tracked over 11,000 adolescents, using both self-reports and biological testing, and found THC exposure was tied to worse memory over time.
While differences were modest, experts warn even small cognitive delays during adolescence can impact learning and daily functioning as the brain develops.
Does occasional cannabis use harm the teen brain as much as daily use?
If a teen stops using cannabis, can their brain's development catch up?
Is cannabis causing slower brain growth, or are some teens just more prone to both?
Beyond test scores, how does THC blunt a teen's brain response to everyday rewards?
How does the cognitive harm from teen cannabis use compare to underage drinking?
What is the link between teen cannabis use and the risk of adult mental illness?