Cannabis use can significantly impact the part of the brain responsible for following instructions, responding during conversations, or remembering a question long enough to answer it. This type of cognitive function is a form of short-term memory called work…

For the lifetime use portion of the study, heavy use was considered 1,000 or more lifetime uses, moderate was considered 11 to 999 uses, and non-use was 10 times or less. There were 88 heavy users, 1…