Association Between Lifetime Marijuana Use and Cognitive Function in Middle Age

Importance

Marijuana use is increasingly common in the United States. It is unclear whether it has long-term effects on memory and other domains of cognitive function.

Objective

To study the association between cumulative lifetime exposure to marijuana use and cognitive performance in middle age.

Design, Setting, and Participants

We used data from the Coronary Artery Risk Development in Young Adults (CARDIA) study, a...