cannabis

Washington State Data On Marijuana Use Following Legalization

"In these initial investigations, we found no evidence that I-502 enactment, on the whole, affected cannabis abuse treatment admissions. Further, within Washington State, we found no evidence that the amount of legal cannabis sales affected cannabis abuse treatment admissions.
"The bulk of outcome analyses in this report used the within-state approach to focus on identifying effects of the amount of legal cannabis sales. We found no evidence that the amount of legal cannabis sales affected youth substance use or attitudes about cannabis or drug-related criminal convictions.

Effect of CBD on Learned Fear and Potential in Treatment of Post Traumatic Stress Disorder (PTSD)

"A growing body of literature provides compelling evidence that CBD has anxiolytic effects and recent studies have established a role for CBD in regulating learned fear by dampening its expression, disrupting its reconsolidation, and facilitating its extinction. The opposing effects of CBD on fear memory reconsolidation and extinction make it particularly attractive as a potential adjunct to psychological therapy as both may lead to lasting reductions in learned fear expression.

Effect of Cannabis on Mortality

Cannabis and Mortality: "In summary, this study showed little, if any, effect of marijuana use on non-AIDS mortality in men and on total mortality in women. The increased risk of AIDS mortality in male marijuana users probably did not reflect a causal relationship, but most likely represented uncontrolled confounding by male homosexual behavior. The risk of mortality associated with marijuana use was lower than that associated with tobacco cigarette smoking."

Medical Cannabis Laws and Opioid Overdose Mortality Rates

"In an analysis of death certificate data from 1999 to 2010, we found that states with medical cannabis laws had lower mean opioid analgesic overdose mortality rates compared with states without such laws. This finding persisted when excluding intentional overdose deaths (ie, suicide), suggesting that medical cannabis laws are associated with lower opioid analgesic overdose mortality among individuals using opioid analgesics for medical indications.

Estimated Prevalence of Cannabis Dependence

Estimated Prevalence of Cannabis Dependence: "Some 4.3 percent of Americans have been dependent on marijuana, as defined in the Diagnostic and Statistical Manual of Mental Disorders, 4th Edition, Text Revision (DSM-IV-TR; American Psychiatric Association, 2000), at some time in their lives. Marijuana produces dependence less readily than most other illicit drugs. Some 9 percent of those who try marijuana develop dependence compared to, for example, 15 percent of people who try cocaine and 24 percent of those who try heroin. However, because so many people use marijuana, cannabis dependence is twice as prevalent as dependence on any other illicit psychoactive substance (cocaine, 1.8 percent; heroin, 0.7 percent; Anthony and Helzer, 1991; Anthony, Warner, and Kessler, 1994)."

Prevalence of Cannabis Use Among Young People in Australia

Prevalence of Cannabis Use Among Youth in Australia: "Cannabis was the illicit substance most commonly used by secondary school students and prevalence was highest in the older age groups. Sixteen per cent of secondary students surveyed indicated they had used cannabis at some time in their lives with seven per cent using it in the past month and four per cent using it in the past week.
"In all recency periods the proportion of students using cannabis increased significantly with age (p<0.01).

Admissions to Treatment for Marijuana in the US

Admissions to Treatment for Marijuana in the US: According to the federal Treatment Episode Data Set, in 2014 there were 247,461 admissions to treatment with marijuana reported as the primary substance of abuse out of the total 1,614,358 admissions to treatment in the US for those aged 12 and older for all substances that year. This is the lowest number of marijuana admissions and total treatment admissions in at least a decade: marijuana admissions peaked in 2009 at 373,257, and total admissions peaked in 2008 at 2,076,291.

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