![]() ![]() Ĭambridge University published a study in 2015 that showed the surprising fact that in England and Wales, the use of cannabis had decreased. A 2018 academic review, published in partnership with Canopy Growth, discussed the limitations of current studies of therapeutic and non-therapeutic cannabis use, and further stated that the nature of dependence formation among regular marijuana consumers has declined since 2002. ![]() Dependence on cannabis tends to be less severe than that observed with cocaine, opiates, and alcohol. Ĭannabis dependence develops in 9% of users, significantly less than that of heroin, cocaine, alcohol, and prescribed anxiolytics, but slightly higher than that for psilocybin, mescaline, or LSD. Among individuals who have ever used cannabis, conditional dependence (the proportion who go on to develop dependence) is 9%." Although no medication is known to be effective in combating dependency, combinations of psychotherapy such as cognitive behavioural therapy and motivational enhancement therapy have achieved some success. A 2012 review of cannabis use and dependency in the United States by Danovitch et al said that "42% of persons over age 12 have used cannabis at least once in their lifetime, 11.5% have used within the past year, and 1.8% have met diagnostic criteria for cannabis abuse or dependence within the past year. Cannabis use can lead to addiction, which is defined as "when the person cannot stop using the drug even though it interferes with many aspects of his or her life." Cannabis use disorder is defined in the fifth revision of the Diagnostic and Statistical Manual of Mental Disorders ( DSM-5) as a condition requiring treatment. In the United States, 10-20% of those who begin the use of cannabis daily will later become dependent. Cannabis is the most widely used illicit drug in the Western world. ![]()
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