Fewer than one-third of consumer CBD products contained an amount of cannabidiol within 10% of what was listed on their labels, according to a new review published in Phytochemistry Letters. Researchers from L-Università ta’ Malta reviewed 28 peer-reviewed analytical studies published between 2017 and 2025, covering CBD oils, tinctures, edibles, vape products and topicals sold …
Category: Cannabis Studies
Peer-reviewed studies covering cannabis and cannabis compounds.
CBD and Diclofenac Combination Kills Certain Staph Bacteria in Lab Study
A combination of cannabidiol (CBD) and the anti-inflammatory drug diclofenac killed certain types of bacteria more effectively than either compound alone, according to a new study published in the International Journal of Molecular Sciences. Researchers from the National University of Science and Technology POLITEHNICA Bucharest and the University of Bucharest evaluated the antibacterial activity and …
CBD Protects Brain Cells From Methamphetamine-Induced Damage, Study Finds
Cannabidiol (CBD) helps protect brain cells from damage caused by methamphetamine, according to a study published in the International Journal of Molecular Sciences. Researchers from Kunming Medical University examined the effects of CBD on primary hippocampal neurons exposed to methamphetamine. The hippocampus is a region of the brain involved in memory, learning and emotional regulation. …
CBD May Improve Cognition, Behavior and Sleep in People With Treatment-Resistant Epilepsy, Review Finds
CBD can improve cognition, behavior, communication, sleep and other nonseizure outcomes in people with severe forms of treatment-resistant epilepsy, according to a systematic review published in the journal Epilepsy Research. Researchers from the University of Arkansas for Medical Sciences and Federico II University examined studies involving patients with developmental and epileptic encephalopathies and other complex …
Cannabis-Infused Tea Increased Happiness Scores in Human Study
Drinking cannabis-infused tea before bed was associated with increased happiness scores among adults participating in a human study published by the Journal of Health Science and Medical Research. Researchers from Rajamangala University of Technology Isan in Thailand recruited 30 adults between the ages of 20 and 59 who were interested in cannabis-based health care. Participants …
THC Slowed Weight Loss and Prolonged Survival in Animal Model of Anorexia, Study Finds
THC reduced further weight loss and prolonged survival in an animal model of anorexia nervosa, according to a study published this week in the journal Physiology & Behavior. Researchers from Florida State University examined the effects of THC in female rats subjected to an activity-based anorexia model, which combines restricted access to food with unrestricted …
Hemp Seed Protein Treatment May Reduce Muscle Loss and Improve Strength, Study Finds
A hemp seed protein treatment helped prevent muscle loss and improve strength in an animal model of muscle wasting (atrophy), according to a study published today in Food Research International. Researchers from Sunway University in Malaysia and several universities in South Korea examined hemp seed protein that had been broken down into smaller peptides through …
CBD and Chemotherapy Combination Shows Antidepressant-Like Effects in Glioblastoma Study
CBD combined with the chemotherapy drug temozolomide produced antidepressant-like effects in an animal model, according to a study published in Frontiers in Pharmacology, suggesting potential for treating depression associated with glioblastoma. Researchers from the University of the Balearic Islands examined whether CBD could help address depression associated with glioblastoma, an aggressive form of brain cancer …
Study Finds Illegal Market Could Offset 89% of Decline in Legal Marijuana Consumption From Higher Prices
Higher taxes and prices may reduce legal marijuana consumption, but nearly 90% of the estimated decline could be offset by consumers switching to illegal products, according to a new study published in Health Economics. Researchers from The Ohio State University and Chosun University surveyed 1,525 U.S. adults aged 21 and older who reported using recreational …
Review Explores How CB1 Signaling Connects Stress, Sleep and Eating Behavior
The endocannabinoid system, particularly CB1 receptor signaling, may serve as a biological link connecting stress, sleep, appetite and energy metabolism, according to a review published in Neuroscience & Biobehavioral Reviews. Researchers from the Federal University of Santa Catarina, Santa Úrsula University, the Federal University of Rio Grande do Norte, the São Paulo Association of Cannabinoid …
