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Medical, recreational cannabis dispensaries lead to reduced opioid prescriptions

Researchers in Norway have identified four distinct groups of young cannabis users

Cannabis use associated with a reduction in alcohol intake: A new study reports that for some heavy drinkers, using cannabis may be associated with consuming less alcohol

Teens who start using cannabis before 15 are 4× more likely to use it regularly by 17 and face higher risks of depression, anxiety, and physical health issues in young adulthood compared to peers who never used cannabis during adolescence.

Cannabis Certifications for Severe Chronic and Intractable Pain: Geographic Patterns Across Pennsylvania: New study published in Medical Cannabis & Cannabinoids finds an almost four-fold county level difference in certifications.

Researchers used a mobile EEG headband device to identify putative biomarkers of cognitive and emotional wellbeing in people who use cannabis

Closer proximity to cannabis retail stores linked with more cannabis use but less drinking: A US study of more than 60,000 adults shows that living near cannabis retail stores is associated with a greater tendency toward frequent cannabis use but a lower likelihood of heavy alcohol consumption.

Contrary to expectations, a new study finds that pre-treatment with cannabidiol (CBD) worsened cannabis-induced memory impairment and psychotic symptoms in schizophrenia patients — challenging the belief that CBD protects against THC.

Cannabis use during adolescence and young adulthood is associated with more frequent psychotic-like experiences

More than 1 in 5 young adults report using cannabis or alcohol to help them fall asleep

Nearly 30% of people who try cannabis will go on to develop a substance use disorder

Cannabis extract found to be effective for lower back pain

People who use both cannabis and tobacco show higher brain levels of FAAH — an enzyme that breaks down mood-regulating anandamide — than cannabis-only users, possibly explaining why mixing the two is tied to worse mental health and harder quitting.

Researchers identify key genes linked to cannabis use and its frequency, particularly CADM2 and GRM3, tied to brain communication and impulsivity

Cannabis use linked to short-term relief of PTSD symptoms in veterans

A study of 379,000 US adults found daily cannabis smoking linked to higher odds of asthma and COPD, even in people who never smoked tobacco.

Cannabis use linked to stronger emotional responses but also better recovery in people with anxiety

In the largest such study to date, frequent cannabis users did not display impairments in driving performance after at least 48 hours of abstinence

Comment on Bar-Sela et al. Cannabis Consumption Used by Cancer Patients During Immunotherapy Correlates with Poor Clinical Outcome

Insomnia patients using medical cannabis reported improved sleep quality and reduced anxiety, depression, and pain, according to a new study tracking 125 patients for 18 months

Cannabis use associated with quadrupled risk of developing type 2 diabetes

Cannabis compounds THC and cannabidiol (CBD) have opposing effects on brain function—and combining the two produces more muted changes than THC alone, finds new neuroimaging study in rats to compare how these cannabis-derived compounds alter patterns of communication and blood flow in the brain.

In a survey of 3,389 adults, those who first used cannabis to self-medicate (e.g

Medical cannabis as a source of Cryptococcus neoformans infection

Cannabis use is gaining popularity in the United States, driven by growing legalization, public acceptance and diverse methods of consumption

Medical cannabis patient data exposed by unsecured database

Cannabis potency is increasing — The concentration of THC has increased fivefold in the last 20 years in Canada

Heavy use of cannabis is associated with three times the risk of oral cancer.

Heavy drinking raises the risk of pregnancy by 50% in women who strongly wish to avoid it, while cannabis use does not

A new study of people living with eating disorders has found cannabis and psychedelics, such as ‘magic mushrooms’ or LSD, were best rated as alleviating symptoms by respondents who self-medicated with the non-prescribed drugs

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