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More adults use marijuana in states where it is legal: Daily use of marijuana as well as past month rates rose for both men and women aged 26 and older in states with medical marijuana laws in effect. Marijuana use among those younger than 26 years old was generally unaffected by changes in the law.
Can cannabinoids be used to treat cancer?: When cannabinoids activate signaling pathways in cancer cells they can stimulate a cell death mechanism called apoptosis, unleashing a potent anti-tumor effect.
Booze and pot use in teens lessens life success: Young adults dependent on marijuana and alcohol are less likely to achieve adult life goals, according to new research.
Marijuana use associated with cognitive dysfunction in people with HIV who have substance abuse disorder, study finds: Marijuana use is associated with cognitive dysfunction in people with HIV infection who have an alcohol or other drug use disorder, according to a new study.
Regular marijuana use linked to more sex, study finds: Despite concerns among physicians and scientists that frequent marijuana use may impair sexual desire or performance, the opposite appears more likely to be the case, new research indicates.
Pre-clinical study suggests path toward non-addictive painkillers: A pre-clinical study reports that the use of the positive allosteric modulator GAT211 enhances the effect of pain-relief chemicals produced by the body in response to stress or injury. The research is a promising step forward in the search for pain relief methods without the addictive side effects of opioids.
A quarter of problematic pot users have anxiety disorders, many since childhood: About a quarter of adults whose marijuana use is problematic in early adulthood have anxiety disorders in childhood and late adolescence, according to new data.
Limited data on medical cannabis use in children: A systematic review of published studies on the use of medical cannabis in children and adolescents finds a notable lack of studies and a minimal number of the randomized, controlled trials needed to confirm the effectiveness of a treatment.
A new target for marijuana: Cellular-level changes to a part of the brain's reward system induced by chronic exposure to the psychoactive component of marijuana may contribute to the drug's pleasurable and potentially addictive qualities, suggests a study in young mice.
Cannabis consumption increases violent behavior in young people in psychiatric care: A new study on cannabis use that involved 1,136 patients (from 18 to 40 years of age) with mental illnesses who had been seen five times during the year after discharge from a psychiatric hospital demonstrates that sustained used of cannabis is associated with an increase in violent behavior in young people. Moreover, the association between persistent cannabis use and violence is stronger than that associated with alcohol or cocaine.
Antidote to synthetic cannabis ‘Spice’ intoxication could be found in slimming drug: Early research has potentially found an antidote that can rapidly stop the intoxicating effects of cannabis and synthetic cannabinoids.