Cannabis health warning messages

Part 1: Health warning messages for cannabis products that are dried cannabis or cannabis accessories that contain dried cannabis

  • WARNING: Cannabis smoke is harmful. Harmful chemicals found in tobacco smoke are also found in cannabis smoke.
  • WARNING: Do not use if pregnant or breastfeeding. Using cannabis during pregnancy may harm your baby and result in low birth weight.
  • WARNING: Do not use if pregnant or breastfeeding. Substances found in cannabis are also found in the breast milk of mothers who use cannabis.
  • WARNING: Do not drive or operate machinery after using cannabis. More than 4,000 Canadians were injured and 75 died from driving after using cannabis (in 2012).
  • WARNING: Do not drive or operate machinery after using cannabis. After cannabis use, coordination, reaction time and ability to judge distances are impaired.
  • WARNING: Cannabis can be addictive. Up to half of people who use cannabis on a daily basis have work, social or health problems from using cannabis.
  • WARNING: Cannabis can be addictive. 1 in 11 people who use cannabis will become addicted.
  • WARNING: Cannabis can be addictive. Up to 1 in 2 people who use cannabis daily will become addicted.
  • WARNING: Regular use of cannabis can increase the risk of psychosis and schizophrenia. Higher THC content can increase the risk of psychosis and schizophrenia.
  • WARNING: Regular use of cannabis can increase the risk of psychosis and schizophrenia. Higher THC content can lower the age of onset of schizophrenia.
  • WARNING: Regular use of cannabis can increase the risk of psychosis and schizophrenia. Young people are especially at risk.
  • WARNING: Adolescents are at greater risk of harms from cannabis. Early and regular use increases the risk of psychosis and schizophrenia.
  • WARNING: Adolescents are at greater risk of harms from cannabis. Using cannabis as a teenager can increase your risk of becoming addicted.
  • WARNING: Adolescents are at greater risk of harms from cannabis. 1 in 6 people who start using cannabis in adolescence will become addicted.

Part 2: Health warning messages for all other cannabis products

  • WARNING: Do not use if pregnant or breastfeeding. Using cannabis during pregnancy may harm your baby and result in low birth weight.
  • WARNING: Do not use if pregnant or breastfeeding. Substances found in cannabis are also found in the breast milk of mothers who use cannabis.
  • WARNING: Do not drive or operate machinery after using cannabis. More than 4,000 Canadians were injured and 75 died from driving after using cannabis (in 2012).
  • WARNING: Do not drive or operate machinery after using cannabis. After cannabis use, coordination, reaction time and ability to judge distances are impaired.
  • WARNING: Cannabis can be addictive. Up to half of people who use cannabis on a daily basis have work, social or health problems from using cannabis.
  • WARNING: Cannabis can be addictive. 1 in 11 people who use cannabis will become addicted.
  • WARNING: Cannabis can be addictive. Up to 1 in 2 people who use cannabis daily will become addicted.
  • WARNING: Regular use of cannabis can increase the risk of psychosis and schizophrenia. Higher THC content can increase the risk of psychosis and schizophrenia.
  • WARNING: Regular use of cannabis can increase the risk of psychosis and schizophrenia. Higher THC content can lower the age of onset of schizophrenia.
  • WARNING: Regular use of cannabis can increase the risk of psychosis and schizophrenia. Young people are especially at risk.
  • WARNING: Adolescents are at greater risk of harms from cannabis. Early and regular use increases the risk of psychosis and schizophrenia.
  • WARNING: Adolescents are at greater risk of harms from cannabis. Using cannabis as a teenager can increase your risk of becoming addicted.
  • WARNING: Adolescents are at greater risk of harms from cannabis. 1 in 6 people who start using cannabis in adolescence will become addicted.
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