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   Ø      The infrastructure of national
  knowledge about the trends and circumstances of cannabis use is fundamentally
  weak and desperately needs strengthening. 
  âØ           
  The epidemiological
  data available indicates that close to 30% of the population (12 to 64 years
  old) has used cannabis at least once. 
  âØ           
  Approximately 10%
  used cannabis during the previous year. 
  âØ           
  Up to 30% of those
  who used cannabis in the last year are current users (have used cannabis this
  month). 
  Ø      Approximately 15% of current users
  would be daily users 
  âØ           
  Use is highest
  between the ages of 16 and 24. 
  âØ           
  The prevalence of use
  during the current year is highest, approximately 40%, in young people of
  high school age. 
  âØ           
  The prevalence of
  monthly use in young people is approximately 30%. 
  âØ           
  The prevalence of
  daily use in young people is approximately 9%. 
     
  Ø      The average age of introduction to
  cannabis is 15. 
  âØ           
  Most experimenters
  stop using cannabis. 
  âØ           
  Regular users were
  generally introduced to cannabis at a younger age. 
  âØ           
  Long-term users most
  often have a trajectory in which use 
  rises and falls. 
  âØ           
  Long-term regular
  users experience a period of heavy use in their early 20s. 
  âØ           
  Most long-term users
  integrate their use into their family, social and occupational activities. 
     
  âØ           
  Cannabis itself is
  not a cause of other drug use. 
  âØ           
  Cannabis use can be a
  gateway because it is illegal, which puts users in contact with other
  substances. 
  â   
  âØ           
  Cannabis itself is
  not a cause of delinquency and crime. 
  âØ           
  Young people with a
  trajectory of regular and heavy use are often already on a deviant if not
  delinquent trajectory. 
  Ø      Cannabis is not a cause of
  violence. 
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