Category: Cannabis Studies

Peer-reviewed studies covering cannabis and cannabis compounds.

Study: Higher Marijuana Taxes May Reduce Legal Sales and Lower Tax Revenue

A study published online today by the International Journal of Drug Policy found that higher marijuana taxes are associated with lower legal sales, while tax increases may also lead to larger-than-expected price hikes for consumers. Researchers from The Ohio State University Wexner Medical Center examined state-published marijuana tax revenue and sales data from January 2014 through …

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Study: Cannabis-Based Medicines Linked to Reduced Tics in Tourette Syndrome Patients

A new study published in Neuroscience found that cannabis-based medicines were associated with significant reductions in tics and premonitory urges among adults with Tourette syndrome. The study was conducted by researchers from Al-Andalus University for Medical Sciences, Addis Ababa University, the University of Ibadan and other institutions. Researchers reviewed cohort studies and randomized controlled trials …

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Study: CBD Enhances Oxycodone’s Pain-Relieving Effects Without Increasing Reward-Related Effects

A study published today by The Journal of Pain found that cannabidiol (CBD) enhanced the pain-relieving effects of oxycodone without increasing reward-related effects tied to the opioid. The study, conducted by researchers from the University of Florida and Texas A&M University College of Dentistry, examined whether CBD could increase the antinociceptive effects of oxycodone while …

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Study: CBD Increases Tamoxifen-Induced Cell Death in Breast Cancer Cells

A study published in the peer-reviewed journal Cell & Bioscience found that cannabidiol (CBD) may help restore sensitivity to tamoxifen in estrogen receptor-positive breast cancer, potentially improving the effectiveness of a widely used endocrine therapy. Researchers from Korea University College of Medicine investigated the effects of CBD on tamoxifen-resistant breast cancer models, focusing on ER-positive breast …

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Study: CBD Well Tolerated in Children With Autism, Linked to Improvements in Social Symptoms

A new study published in the Journal of Child and Adolescent Psychopharmacology found that cannabidiol (CBD) was well tolerated in children and teenagers with autism spectrum disorder, with researchers reporting significant improvements in social symptoms and overall target symptoms during a six-week trial. The study was conducted by researchers from NYU Grossman School of Medicine …

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Clinical Trial Finds High-Dose CBD Reduces Neuropathic Pain in Spinal Cord Injury Patients

A new placebo-controlled clinical trial found that high-dose cannabidiol (CBD) significantly reduced chronic neuropathic pain in adults with spinal cord injuries, with researchers saying the findings support further study in larger trials. The study, published by eClinicalMedicine, was conducted by researchers from the University of Sydney and the University of New South Wales. It examined …

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Study Finds CBD Improves Memory and Reduces Brain Oxidative Stress After Chronic Stress and Alcohol Exposure

A new study published in the Journal of Xenobiotics found that cannabidiol (CBD) improved memory-related performance and reduced brain oxidative stress in female rats exposed to chronic stress and alcohol. Researchers from George Emil Palade University of Medicine studied 16 female Wistar rats, half of which received CBD at a dose of 10 mg/kg. The …

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Clinical Trial Finds Full-Spectrum CBD Well Tolerated in Adults With HIV

A randomized clinical trial found that low-dose full-spectrum cannabidiol (CBD) was well tolerated over 12 weeks among adults with long-term, virally suppressed HIV, with no meaningful negative impact on liver function, kidney function or key HIV-related measures. The study, published in Cannabis & Cannabinoid Research, was conducted by researchers affiliated with Centre Hospitalier Universitaire d’Orléans, …

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CBD May Reduce Muscle Aging by Lowering Oxidative Stress and Modulating Gut Microbiota, Finds Study

Cannabidiol (CBD) may help slow age-related muscle decline by reducing oxidative stress, limiting inflammation and altering gut microbiota, according to a study published today by the journal Food Bioscience. The study, conducted by researchers from Qiqihar University in China, examined CBD’s effects in C2C12 muscle cells and mice with D-galactose-induced aging, a model commonly used …

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Study: CBD May Protect Parkinson’s-Related Brain Cells by Activating Antioxidant Defense System

A study from researchers at the University of Western Ontario found that cannabidiol (CBD) may help protect Parkinson’s-related brain cells from oxidative stress by keeping a key antioxidant regulator active and functional. The study, posted as a preprint by bioRxiv, examined CBD’s effects in SH-SY5Y cells exposed to 6-hydroxydopamine, a compound commonly used in Parkinson’s …

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