Are IQ and educational outcomes in teenagers related to their cannabis use? A prospective cohort study. – PubMed – NCBI 2017-09-13 Leave a Comment on Are IQ and educational outcomes in teenagers related to their cannabis use? A prospective cohort study. – PubMed – NCBI Source: Are IQ and educational outcomes in teenagers related to their cannabis use? A prospective cohort study. – PubMed – NCBI