The survey, conducted by a team of researchers at the Washington University School of Medicine in St. Louis looked at the drug use trends among 216,000 teenagers aged between 12 and 17. The team discovered that the number of teenagers with pot-related problems declined by 24 percent between the years 2002 and 2013.
In the same survey, the team also discovered that the number of children confessing that they have used marijuana in the past 12 months