Columbia subject headings:
Brain--Effect of drugs on.
Drug control--United States.
Marijuana--Therapeutic use--United States.
Marijuana--United States.
Youth--Drug use--United States.
Harvard subject headings:
Brain--Effect of drugs on
Drug control--United States
Drug legalization--United States
Marijuana--Therapeutic use--United States.
Marijuana--United States.
Youth--Drug use--United States
Princeton subject headings:
Brain--Effect of drugs on.
Drug control--United States.
Marijuana--Therapeutic use--United States.
Marijuana--United States.
Youth--Drug use--United States.