Category: Cannabis Studies

Peer-reviewed studies covering cannabis and cannabis compounds.

Study Finds THC Directly Activates Dopamine D2 Receptors, Revealing Previously Unknown Signaling Pathway

A new study published online ahead of its appearance in the December 2026 issue of the journal Biochemical Pharmacology has identified a previously unknown way …

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Nearly Half in U.S. Aged 16 to 65 Have Used CBD, Compared With 38% in Canada and 28% in U.K., Study of Nearly 80,000 Finds

Nearly half of U.S. respondents in a large international survey reported having used a CBD-only product, while almost one in five said they had used …

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Study Finds CBD and CBG Disrupt Cavity-Causing Dental Biofilms, Including Established Biofilms

Cannabidiol (CBD) and cannabigerol (CBG) significantly inhibited the formation of cavity-causing dental biofilms and disrupted already-established biofilms in a new laboratory study. The study, published …

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Study Finds Cannabinoid Tablet Associated With 32% Reduction in Same-Day Pain and Improved Mood

A real-world study involving 427 adults with ongoing aches and pain found that use of a cannabinoid tablet was associated with a 32% reduction in …

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Marijuana Flower Extracts Show Antidiabetic Potential, Cannabinoids Bind Key Diabetes Targets, Finds Study

A new laboratory and computational study finds that marijuana flower extracts inhibited enzymes involved in blood sugar regulation, increased glucose uptake and contained several cannabinoids …

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Study Finds Nearly Half of Adults With Severe Epilepsy Had Seizures Cut at Least 50% During CBD Treatment

Nearly half of adults with severe, drug-resistant epilepsy experienced at least a 50% reduction in seizure frequency after 12 months of cannabidiol (CBD) treatment, according …

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Study: Marijuana Terpene Beta-Caryophyllene Shows Promise for Obesity, Diabetes and High Cholesterol

A review published today reports that beta-caryophyllene, a terpene found in marijuana and numerous other plants, has shown potential to improve obesity, type 2 diabetes …

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Study Finds CBD Reduces Cardiac Fibrosis and Improves Heart Function in Mouse Model of Heart Failure

A new study finds that cannabidiol (CBD) may reduce cardiac fibrosis and improved heart function in a form of heart failure characterized by impaired relaxation …

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Study Finds THC Saliva Levels Can Vary Nearly Fourfold Based on Buccal Cell Content

A newly published study finds that the amount of cellular material collected in an oral-fluid sample can substantially affect measured THC concentrations, identifying another source …

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Study Finds THC Suppresses Inflammatory T-Cell Response Linked to HIV-Related Cognitive Decline

THC may suppress a type of inflammatory immune response implicated in HIV-associated cognitive decline, according to a study published this week in the Journal of …

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