Studies: Fewer Teens Using Marijuana, Younger Adolescents More Likely to Voice Disapproval

Self-reported use of marijuana by high-school students is significantly lower today than it was 15 years ago, according to an analysis of CDC data published in the journal Drug and Alcohol Dependence.

Researchers from the Johns Hopkins Bloomberg School of Public Health in Baltimore assessed data compiled by US Center for Disease Control’s National Youth Risk Behavior Survey for the years 1999 to 2013. The Survey is a biennial school-based evaluation of more than 100,000 high-schoolers nationwide.

Investigators reported that lifetime use of…