Study: CBD May Treat Psychiatric/Cognitive Symptoms Associated with Neurodegeneration

Cannabidiol (CBD) may be beneficial in the treatment of psychiatric/cognitive symptoms associated with neurodegeneration, according to a new study.

The study, published by the journal Frontiers in Pharmacology, was also published online by the U.S. National Institute of Health.

“Beneficial effects of cannabidiol (CBD) have been described for a wide range of psychiatric disorders, including anxiety, psychosis, and depression”, begins the study’s abstract. “The mechanisms responsible for these effects, however, are still poorly understood. Similar to clinical antidepressant or atypical antipsychotic drugs, recent findings clearly indicate that CBD, either acutely or repeatedly administered, induces plastic changes.”

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Study: Cannabis Improves Cognitive Performance, Reduces Prescription Drug Use

By Paul Armentano, NORML

Medical cannabis administration is associated with improved cognitive performance and lower levels of prescription drug use, according to longitudinal data published online in the journal Frontiers in Pharmacology.

Prescription Drug UseInvestigators from Harvard Medical School, Tufts University, and McLean Hospital evaluated cannabis on patients’ cognitive performance over a three-month period. Participants in the study were either naïve to cannabis or had abstained from the substance for at least ten years. Baseline evaluations of patients’ cognitive performance were taken prior to their cannabis use and then again following treatment.

Researchers reported “no significant decrements in performance” following medical marijuana treatment. Rather, they determined, “[P]atients experienced some improvement on measures of executive functioning, including the Stroop Color Word Test and Trail Making Test, mostly reflected as increased speed in completing tasks without a loss of accuracy.”

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New Study: Cannabis May Treat Schizophrenia

A new study published in this month’s issue of the journal Frontiers in Pharmacology, and published online by the National Institute of Health, has found that cannabis may treat schizophrenia.ng

“Clinical and neurobiological findings suggest that the cannabinoids and the endocannabinoid system may be implicated in the pathophysiology and treatment of schizophrenia”, begins the study’s abstract. “We described that the spontaneously hypertensive rats (SHR) strain presents a schizophrenia behavioral phenotype that is specifically attenuated by antipsychotic drugs, and potentiated by proschizophrenia manipulations. Based on these findings, we have suggested this strain as an animal model of schizophrenia.

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