Medical Marijuana

Data, statistics and information about medical cannabis (marijuana).

Medical Cannabis in the Treatment of Epilepsy

"We synthesised available evidence on the safety and efficacy of cannabinoids as an adjunctive treatment to conventional AEDs [Anti Epileptic Drugs] in treating drug-resistant epilepsy. In many cases, there was qualitative evidence that cannabinoids reduced seizure frequency in some patients, improved other aspects of the patients’ quality of life and were generally well tolerated with mild-to-moderate AEs [Adverse Events].

Impact of Medical Marijuana Laws on Marijuana Use by Young People

"In summary, current evidence does not support the hypothesis that MML passage is associated with increased marijuana use prevalence among adolescents in states that have passed such laws up until 2014. Based on this evidence, we recommend several steps to advance the understanding of current and future marijuana policy effects. First, continued exploration of the effects of these state policies on different measures of use among adolescents is warranted.

Medicinal Cannabis as an Alternative to Prescription Opioid Medicines

"The use of MC [Medical Cannabis] as an alternative to POMs [Prescription Opioid Medications] for pain management warrants additional empirical attention as a potential harm reduction strategy. NASEM (2017) recommends more clinical trials to elucidate appropriate MC forms, routes of administration, and combination of products for treating pain, but access to MC products to fully evaluate these questions is challenging due to federal regulations.

Use of Cannabis as a Response to the Overdose Crisis

"The opioid epidemic is a public health crisis that is at least partially driven by harms associated with POM [Prescription Opioid Medication] use. States are passing laws allowing use of MC [Medical Cannabis] and patients are using MC, but currently there is little understanding of how this influences POM use or of MC-related harms. This literature review provides preliminary evidence that states with MC laws have experienced reported decreases in POM use, abuse, overdose, and costs.

Medical Cannabis and Epilepsy

"We synthesised available evidence on the safety and efficacy of cannabinoids as an adjunctive treatment to conventional AEDs [Antiepileptic Drugs] in treating drug-resistant epilepsy. In many cases, there was qualitative evidence that cannabinoids reduced seizure frequency in some patients, improved other aspects of the patients’ quality of life and were generally well tolerated with mild-to-moderate AEs [Adverse Events].

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.

Impact of State-Legal Medical Marijuana on Adolescent Marijuana Use

(Impact of State-Legal Medical Marijuana on Adolescent Marijuana Use) "In conclusion, our study of self-reported marijuana use by adolescents in states with a medical marijuana policy compared with a sample of geographically similar states without a policy does not demonstrate increases in marijuana use among high school students that may be attributed to the policies."

Known Therapeutic Benefits From Medicinal Cannabinoids

(Known Therapeutic Benefits From Medicinal Cannabinoids) "Cannabis preparations exert numerous therapeutic effects. They have antispastic, analgesic, antiemetic, neuroprotective, and anti-inflammatory actions, and are effective against certain psychiatric diseases. Currently, however, only one cannabis extract is approved for use. It contains THC and CBD [cannabidiol] in a 1:1 ratio and was licensed in 2011 for treatment of moderate to severe refractory spasticity in multiple sclerosis (MS).

Effects of State Medical Marijuana Laws (MMLs) on Youth Marijuana Use

(Effects of State Medical Marijuana Laws (MMLs) on Youth Marijuana Use) "We found no evidence of intermediate-term effects of passage of state MMLs on the prevalence or frequency of adolescent nonmedical marijuana use in the states evaluated, with 2 minor exceptions. From 2003 through 2009, adolescent lifetime prevalence of marijuana use and frequency of daily marijuana use decreased significantly in Montana, as compared with a more modest decrease in lifetime prevalence and an increase in daily frequency observed in Delaware (Ps = .03).

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