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SWPS University - Main page

Who is at risk of developing cannabis dependence?

The frequency of cannabis use is considered to be the strongest risk factor for developing cannabis dependence, however only up to half of daily users become dependent. Scientists form SWPS University’s Neurocognitive Research Center examined why some users become addicted.

#cannabis #cannabis dependence #addiction #cannabis use

What we researched:

  • We explored an array of risk factors and moderators of cannabis dependence symptoms from the International Classification of Diseases, Tenth Edition endorsed by participants, to find out why only up to half of daily cannabis users become dependent.

How we did it:

  • The total of 1,635 cannabis users completed an Internet survey consisting of measures of cannabis and other drug use.
  • We performed analysis of the obtained data to identify predictors of cannabis dependence symptoms and to test the predictive validity of the interactions between frequency of cannabis use and other predictors.

What we discovered:

  • The frequency of cannabis use seems to be the strongest predictor of developing cannabis dependence symptoms. Other significant predictors of cannabis dependence include substance-dependency-related treatment seeking, mental health problems in the family, and pattern of substance use.
  • We also identified that duration of cannabis use, relationship status, and drug use history in the family are significant moderators of the relationship between frequency of cannabis use and the number of cannabis dependence symptoms.

Why is it important?

  • The study confirms that the frequency of cannabis use is the strongest predictor of cannabis dependence symptoms but this relationship is significantly moderated by the duration of cannabis use, relationship status, and drug use history in the family.