marijuanaStatistics

  • Marijuana use among 8th and 10th graders recently hit its lowest level in more than two decades
  • Among both 8th and 10th graders, daily marijuana use decreased over the past five years from 1.3% to 0.7% and from 3.6% to 2.5%, respectively.
  • Among all grades, perception of risk associated with smoking marijuana regularly continues to decline, with only 31.1% of 12th graders reporting that regular marijuana use is harmful compared to 58.3% in 2000.
  • Marijuana users who started heavily in their teens and had ongoing cannabis use lost an average of eight IQ points between ages 13 and 38.

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