Cannabis vaping is increasingly common among adolescents, and new research adds to concerns about its relationship with teen mental health. Image courtesy of shutterstock A 2026 study published in Addiction examined nearly 70,000 U.S. adolescents ages 11–18 and looked specifically at whether vaping cannabis containing THC, CBD, or both was associated with symptoms of depression and anxiety. What did researchers find? Most adolescents in the study—92%—had not vaped cannabis in