Category: Cannabis Studies

Peer-reviewed studies covering cannabis and cannabis compounds.

Clinical Trial: Topical CBD Gel Reduces Migraines and Improves Sleep in People With Bruxism-Related Muscle Pain

A new clinical trial conducted by researchers at the Medical University of Silesia in Katowice found that topical cannabidiol (CBD) gel significantly improved sleep quality and reduced migraine-related disability in individuals suffering from bruxism-associated muscle pain. The randomized, double-blind study involved 60 participants divided into three groups: one received a placebo, while the others received …

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Study: Cannabis Use Not Linked to Kidney Function Decline or Chronic Kidney Disease

A new study conducted by researchers at Johns Hopkins University School of Medicine and the National Institutes of Health found no independent link between cannabis use and negative kidney health outcomes over time. The study, published in Cannabis and Cannabinoid Research, analyzed data from over 1,500 adults in Baltimore, Maryland. Participants were enrolled in the …

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Study: Woman With Glioblastoma Enters Long-Term Remission After Using Medical Cannabis, Melatonin and Ozone Therapy

A new case study details the remarkable long-term remission of a woman diagnosed with glioblastoma multiforme (GBM), an aggressive and typically fatal brain tumor, following a treatment regimen that combined medical cannabis, high-dose melatonin and ozone therapy. The patient, a 36-year-old woman in Italy, underwent partial surgical removal of the tumor in August 2016. While …

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Study: Topical Use of Cannabigerol (CBG) Shown to Reduce Rosacea Symptoms

A new study published in the International Journal of Molecular Sciences finds that topical application of cannabigerol (CBG) may effectively reduce symptoms of rosacea by targeting inflammation and vascular dysfunction. Researchers from The Catholic University of Korea used a mouse model induced with LL-37 to mimic rosacea-like skin inflammation. Mice treated with CBG showed significant …

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Study: THC and CBD Detectable in Breath After Consuming Edibles, Even Hours Later

Researchers have found that THC from marijuana-infused edibles can be detected in breath samples following ingestion, but with inconsistent timing and concentration trends. Published in the Journal of Analytical Toxicology, the study was conducted by scientists at the National Institute of Standards and Technology and the University of Colorado Anschutz Medical Campus. While breath testing …

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Study: Cannabidiol Protects Brain Cells in Parkinson’s Model by Activating Antioxidant Pathway

Researchers from Islamic Azad University and Shahed University have found that cannabidiol (CBD) protects neuronal cells against Parkinson’s disease-related damage by boosting the body’s antioxidant defenses through the Nrf2 signaling pathway. Parkinson’s disease is a progressive neurodegenerative disorder characterized by the death of dopamine-producing neurons. While current treatments such as levodopa provide symptom relief, they …

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Study: Cannabis Use Not Tied to Increased Cardiovascular Events in Older Veterans With Coronary Artery Disease

A large, multi-institutional study of over 4,200 veterans with coronary artery disease (CAD) found no association between recent cannabis use and increased risk of heart attack, stroke, or cardiovascular-related death. Published in the journal Circulation, the study followed participants between the ages of 66 and 68 for an average of 3.3 years. Of the total …

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Study: Secondhand Cannabis Smoke Can Contaminate Hair With Detectable THC and CBD Levels

A new study published in Forensic Science International found that even brief, passive exposure to cannabis smoke can lead to detectable levels of THC and CBD in human hair—potentially complicating forensic drug testing. For the study, researchers from the University of Bologna exposed four volunteers to controlled cannabis smoke inside a car for 15 minutes …

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Study: Hemp Infructescences Found to Be Viable Source of Essential Oils

A new study highlights the potential of hemp infructescences—typically discarded after seed harvesting—as a valuable and sustainable source of essential oils. Published in Industrial Crops and Products, the research analyzed the morphology and chemical profile of mature hemp infructescences to evaluate their suitability as raw material for essential oil (EO) extraction. Two types of material …

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Study: Sustainable Hemp/Cotton Blended Yarn Successfully Produced for Knitwear Using Vortex Spinning

Researchers from the Bangladesh University of Textiles have successfully produced hemp/cotton blended yarns using the vortex spinning system, offering a sustainable alternative to traditional cotton textiles. The study focused on overcoming hemp’s natural limitations—its stiffness and coarseness—which typically reduce its spinnability. By blending hemp with cotton and using vortex spinning, the team was able to …

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