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First saved by an anonymous user on 2008-05-12

  • 25 million Americans age 12 and older had abused marijuana at least once in the year prior to being surveyed.
  • 10.3% of 8th graders, 24.6% of 10th graders, and 31.7% of 12th graders had abused marijuana at least once in the year prior to being surveyed.