A review investigating the relationship between cannabis use and adolescent cognitive functioning

•Early age of onset of cannabis use among adolescents is associated with increased likelihood of poor cognitive function and mental health.•Persistent cannabis use is associated with decreased academic performance scores.•Racial disparities exist among adolescent cannabis users as well as the negative sequalae associated with cannabis use in this group.•Adolescents from states with medical marijuana laws were less likely to use marijuana in the past 30 days.•Mitigation methods associated with COVID-19 could directly impact cannabis use and mental health among adolescents.