Teenage Cannabis Use vs. Cognition and Brain Development: THC vs. CBD (Toxicology Data)
Studies of adolescent cannabis effects on cognition have been limited by self-report and confounding. A 2026 longitudinal study by Wade and colleagues uses the Adolescent Brain Cognitive Development (ABCD) cohort with both self-report and biological toxicology, separating THC and CBD effects on developing cognition.1 Research Highlights Adolescence is a critical window for cognitive maturation, with …