A Breakdown of Nearly 200 Cannabis Studies Published in 2026

Full-Spectrum CBD Well Tolerated in Adults With HIV Over 12-Month Period

A randomized clinical trial found that low-dose full-spectrum CBD was well tolerated in adults with long-term, virally suppressed HIV, with no meaningful negative effects on liver function, kidney function or key HIV-related measures.

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

Researchers found that CBD improved memory and reduced brain oxidative stress in an animal model exposed to chronic stress and alcohol, suggesting potential neuroprotective effects under compounded neurological strain.

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

A clinical trial found that high-dose CBD significantly reduced neuropathic pain in people with spinal cord injuries, adding to evidence that cannabidiol may help address difficult-to-treat pain conditions.

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

A new study found that CBD was well tolerated in children with autism and was associated with improvements in social symptoms, supporting continued interest in cannabidiol as a potential treatment option.

Marijuana Dispensaries and Legalization Linked to Fewer Nonfatal Opioid Poisonings

Researchers found that marijuana dispensaries and legalization laws were associated with fewer nonfatal opioid poisonings, adding to evidence that legal cannabis access may influence opioid-related harms.

CBD Reduces Chemotherapy-Linked Cognitive Decline

A new study found that CBD reduced chemotherapy-linked cognitive decline in a preclinical model, pointing to possible value for protecting memory and brain function during cancer treatment.

CBDA Blocks Key Enzymes Tied to Aggressive Breast Cancer Cell Movement

Researchers found that CBDA blocked enzymes tied to the movement of aggressive breast cancer cells, suggesting it may help interfere with processes involved in cancer spread.

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

A study found that CBD may help protect Parkinson’s-related brain cells by activating an antioxidant defense pathway, highlighting its potential relevance in neurodegenerative disease research.

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

Researchers found that CBD may help reduce muscle aging by lowering oxidative stress and altering gut microbiota, suggesting a possible role in preserving muscle health during aging.

Long-Term Purified CBD Use Well Tolerated in Children With Severe Autism, Linked to Sustained Symptom Improvements

A long-term study found that purified CBD was well tolerated in children with severe autism and was linked to sustained improvements in symptoms over time.

Cannabis Use Linked to Reduced Inflammation-Related Proteins in People With HIV

A new study found that cannabis use was associated with reduced levels of inflammation-related proteins in people with HIV, suggesting a possible connection between cannabis exposure and lower immune activation.

CBD-Rich Oil Shows Neuroprotective Effects in Parkinson’s Disease

Researchers found that CBD-rich oil showed neuroprotective effects in a Parkinson’s disease model, supporting its potential to help protect vulnerable brain cells.

Cannabinoid Treatments Show Promise for Phantom Limb Pain

A study found that cannabinoid-based treatments may help address phantom limb pain, pointing to possible therapeutic value for a condition that often remains difficult to manage.

CBD Shows Potential for Improving Sleep and Reducing Seizures in Angelman Syndrome

Researchers found that CBD showed potential to improve sleep and reduce seizures in Angelman syndrome, adding to evidence that cannabidiol may benefit symptoms tied to rare neurological disorders.

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

A new study found that CBD enhanced oxycodone’s pain-relieving effects without increasing reward-related effects, suggesting it may improve analgesia without raising abuse-related responses.

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

A study found that cannabis-based medicines were associated with reduced tics in patients with Tourette syndrome, supporting their potential for symptom management.

Higher Marijuana Taxes May Reduce Legal Sales and Lower Tax Revenue

Researchers found that higher marijuana taxes may reduce legal sales and, in some cases, lower overall tax revenue, underscoring the importance of pricing policy in regulated markets.

CBD Suppresses HIV Replication and Immune Inflammation

A new study found that CBD suppressed HIV replication and reduced immune inflammation in experimental models, highlighting possible antiviral and anti-inflammatory effects.

CBD Improves Memory and Reduces Alzheimer’s-Linked Tau Buildup

Researchers found that CBD improved memory and reduced tau buildup linked to Alzheimer’s disease in a preclinical model, suggesting potential neuroprotective effects against a key marker of the illness.

CBD May Strengthen Effects of Breast Cancer Drug

A new study found that CBD enhanced the effects of a breast cancer drug in lab testing, suggesting it may help improve treatment response when used alongside existing therapies.

THC and CBD May Strengthen Cisplatin’s Effects Against Cervical Cancer Cells

Researchers found that THC and CBD enhanced the anti-cancer activity of cisplatin against cervical cancer cells, pointing to possible value for cannabinoids as adjuncts to chemotherapy.

CBD Triggers Anti-Cancer Effects in Breast Cancer Cells, Including Drug-Resistant Line

A study found that CBD reduced viability and triggered anti-cancer effects in breast cancer cells, including a drug-resistant cell line, adding to evidence of its potential against hard-to-treat tumors.

Cannabis Compounds CBN and THCV May Help Manage Inflammatory Pain

Researchers found that the minor cannabinoids CBN and THCV reduced inflammatory pain in preclinical testing, suggesting they may have therapeutic potential beyond the better-known compounds CBD and THC.

Cannabis Vape Pens Emit Far Fewer Harmful Toxins Than Joints, California NORML Pilot Study Finds

A pilot study found that cannabis vape pens emitted substantially fewer harmful toxins than smoked joints, suggesting vaporized products may reduce exposure to combustion-related toxicants.

CBD and THC May Help Inhibit Glioblastoma Progression

A new study found that CBD and THC may help slow glioblastoma progression by interfering with pathways involved in tumor growth, survival and invasion.

THC Linked to Significant Reduction in Eye Pressure, Key Factor in Glaucoma Treatment

Researchers found that THC significantly reduced intraocular pressure, a major factor in glaucoma, supporting longstanding interest in cannabinoids as potential treatments for the condition.

Micro- and Nanoparticles May Improve CBD Absorption Under the Tongue

A study found that micro- and nanoparticle delivery systems may improve CBD absorption through sublingual administration, potentially helping make under-the-tongue formulations more effective.

Cannabinoid Receptor Levels Reduced in Brains of Alzheimer’s Patients

Researchers found that cannabinoid receptor levels were reduced in brain tissue from Alzheimer’s patients, offering further insight into how the endocannabinoid system may be altered in the disease.

Cannabis Stem Extract Shows Anticancer Activity Against Colorectal Cancer Cells

A new study found that cannabis stem extract showed anti-cancer activity against colorectal cancer cells, suggesting parts of the plant often treated as waste may hold therapeutic value.

Cannabinoid Capsules Linked to Pain Relief in Fibromyalgia and Arthritis Patients

Researchers found that cannabinoid capsules were associated with pain relief in patients with fibromyalgia and arthritis, adding to evidence that oral cannabis formulations may help manage chronic pain conditions.

Marijuana Oil With THC and CBD May Reduce Pain and Improve Sleep in Fibromyalgia Patients

A clinical trial found that marijuana oil containing THC and CBD may reduce pain and improve sleep in fibromyalgia patients, pointing to potential benefits for symptom management in a condition with limited treatment options.

Minor Cannabinoids Show Distinct Effects on Pain-Sensing Neurons

A new study found that several lesser-known cannabinoids produced distinct effects on pain-sensing neurons, with some reducing excitability and others altering signaling in ways that could prove relevant for future pain treatments.

Cannabinoid Compound Found to Reduce Asthma-Related Airway Inflammation

Researchers found that a cannabinoid-based compound reduced airway inflammation and other key markers associated with asthma in a preclinical model, suggesting potential therapeutic value for inflammatory respiratory conditions.

CB1 Activation Found to Support Myelin Repair in New Study

A recent study found that activating CB1 receptors may help support myelin repair, highlighting a possible role for the endocannabinoid system in treating conditions involving nerve damage and demyelination.

CBD Reduces Heroin-Seeking Behavior by Reversing Brain Changes Linked to Relapse

A new study found that CBD reduced heroin-seeking behavior in a preclinical model by reversing brain changes associated with relapse, adding to evidence that it may have potential in addiction treatment.

CBD Shows Benefit for Schizophrenia Symptoms

Researchers found that CBD showed benefits for schizophrenia-related symptoms, supporting growing interest in its potential as a treatment option for psychiatric disorders.

Hemp Compounds Show Promise for Managing Blood Sugar Through Gut-Based Mechanisms

A study found that compounds derived from hemp may help regulate blood sugar through mechanisms involving the gut, pointing to possible new approaches for managing diabetes and metabolic dysfunction.