The Marijuana Herald

A Breakdown of Nearly 200 Cannabis Studies Published in 2026

The first half of 2026 has already produced a wide range of cannabis-related research, with studies examining everything from CBD’s potential therapeutic effects to marijuana policy, product safety, cultivation, pain management, cancer, neurological disorders and public health trends.

With that in mind, below is a running list of nearly 200 studies published or covered this year, highlighting the continued growth of scientific interest in cannabis, cannabinoids and hemp-derived compounds.

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.

CBD Blocks HIV Infection Pathways in Immune Cells, Shows Potential as Preventative Therapy

Researchers found that CBD blocked multiple HIV infection pathways in immune cells, suggesting it may have potential as a preventative therapy by interfering with early stages of viral transmission.

CBD and Hemp Seed Oil Improve Jaw Function Over Time in Patients With Myofascial Pain Disorder

A study found that CBD combined with hemp seed oil improved jaw function over time in patients with myofascial pain disorder, supporting its potential for managing chronic jaw pain and dysfunction.

Marijuana Extract and Aerobic Exercise Linked to Reduced Inflammation in Fatty Liver Model

Researchers found that combining marijuana extract with aerobic exercise reduced inflammation and improved other disease-related markers in a fatty liver model, suggesting the two may have complementary therapeutic effects.

Cannabis Seed Feed Boosts Chicken Nutrition Without Impacting Growth

A new study found that cannabis seed-based feed improved nutritional quality in chickens without negatively affecting growth, pointing to possible agricultural value for hemp-derived feed ingredients.

Combining CBD With Ketogenic Diet May Reduce Seizures in Patients With Pharmacoresistant Epilepsy

Researchers found that combining CBD with a ketogenic diet may help reduce seizures in patients with pharmacoresistant epilepsy, suggesting the two approaches could work together to improve outcomes in difficult-to-treat cases.

Three X Chromosome Genes May Help Control Sex Determination in Cannabis

A study found that three genes on the X chromosome may play a key role in sex determination in cannabis, offering new insight that could prove useful for breeding and crop management.

Biochar-Bacteria Combo Boosts Cannabis Growth and Cannabinoids Under Salt Stress

Researchers found that combining biochar with beneficial bacteria improved cannabis growth and cannabinoid production under salt-stress conditions, suggesting a potential strategy for improving cultivation resilience.

CBD Promotes Intestinal Stem Cell Regeneration Following Radiation Exposure

A new study found that CBD promoted intestinal stem cell regeneration after radiation exposure, highlighting its potential to help repair gastrointestinal damage caused by radiation.

Hemp Seed Hulls May Strengthen Bioplastics While Improving Biodegradability

Researchers found that hemp seed hulls may improve the strength and biodegradability of bioplastics, adding to evidence that hemp byproducts could have useful industrial and environmental applications.

Marijuana Use Linked to Lower Risk of Several Metabolic Conditions

A new study found that marijuana use was associated with lower odds of several metabolic conditions, including obesity, type 2 diabetes and high blood pressure, adding to research suggesting cannabinoids may influence metabolic health.

CBD-Infused Hydrogels Show Potential for Treating Chronic Wounds

Researchers found that CBD-infused hydrogels showed promising wound-healing properties, including anti-inflammatory and antimicrobial effects, suggesting they may offer a new approach for treating chronic wounds.

CBD May Help Relieve Pain in Dogs With Osteoarthritis

A study found that CBD may help reduce pain and improve comfort in dogs with osteoarthritis, supporting its potential as a treatment option for managing chronic joint pain in pets.

CBD Shows Neuroprotective Potential in Stroke Recovery

A new review found that CBD may help protect brain tissue and support recovery after stroke by reducing inflammation, oxidative stress and cell death, while also influencing pathways tied to neuroprotection and repair.

CBD May Increase THC Levels in Blood When Cannabis Is Vaporized

Researchers found that adding CBD to vaporized cannabis may increase THC levels in the bloodstream, suggesting CBD can alter how THC is absorbed and processed when the two compounds are inhaled together.

CBD May Help Block HIV Transmission Through Multiple Mucosal Pathways

A new study found that CBD blocked several early steps involved in HIV-1 transmission in lab and tissue-based models, including direct infection of macrophages and CD4+ T-cells, as well as viral transfer mediated by Langerhans cells and dendritic cells.

Cannabis-Based Treatments Linked to Long-Term Improvements in Migraine Symptoms and Quality of Life

Researchers analyzing patient-reported outcomes found that cannabis-based medicinal products were associated with sustained improvements in migraine symptoms, anxiety, sleep quality and overall quality of life over a follow-up period of up to two years.

CBN and THCV Effective in Reducing Alcohol Intake, Outperforming CBD

A new study found that CBN and THCV significantly reduced alcohol intake in mice, while CBD showed no meaningful effect, suggesting certain lesser-known cannabinoids may have stronger potential for addressing alcohol use than CBD alone.

CBD Boosts Methotrexate’s Anti-Arthritis Effects While Reducing Reproductive Toxicity

Researchers found that combining CBD with methotrexate enhanced anti-inflammatory effects in an arthritis model while also reducing the reproductive toxicity linked to methotrexate treatment, pointing to possible dual therapeutic benefits.

Cannabidiol Shows Potential to Target Key Drivers of Diabetic Heart Disease

A study found that CBD may help counter diabetic heart disease by targeting multiple pathways tied to inflammation, oxidative stress, fibrosis and mitochondrial dysfunction, highlighting its potential relevance in diabetic cardiomyopathy.

CBD and BDNF Combination Shows Promise in Treating Alzheimer’s Disease

Researchers found that combining CBD with brain-derived neurotrophic factor, or BDNF, improved memory, reduced oxidative stress and inflammation, and lessened Alzheimer’s-related brain changes in an animal model of the disease.

CBD Nasal Delivery Shows Stronger Brain Uptake and Symptom Improvement in Autism Model

A new study found that intranasal CBD delivery increased brain uptake more effectively than oral administration and improved social behavior, anxiety-like symptoms and repetitive behaviors in an autism model.

Low-Dose CBD Found Safe for People With HIV on Long-Term Antiretroviral Therapy, With Potentially Beneficial Physiological Changes

Researchers found that low-dose CBD was safe and well tolerated in people with HIV receiving long-term antiretroviral therapy, while also producing potentially beneficial changes in immune and metabolic markers.

CBD Found to Significantly Reduce Lung Inflammation in Acute Lung Injury

A study found that CBD significantly reduced lung inflammation and tissue damage in a model of acute lung injury, supporting its potential as a treatment for severe inflammatory lung conditions.

Cannabinoid Therapy Linked to Reduced Pain and Improved Outcomes in Prostate Cancer Patients

A new study found that cannabinoid therapy was associated with reduced pain and improved overall outcomes in prostate cancer patients, adding to evidence that cannabis-based treatments may help support symptom management in cancer care.

CBD and Sodium Propionate Enema Reduced Colitis Severity

Researchers found that combining CBD with sodium propionate in a rectal enema reduced disease severity in a mouse model of ulcerative colitis, outperforming either treatment on its own and improving markers such as colon length, body weight loss and overall disease activity.

Terpenes in Cannabis Show Promise for Treating Multiple Sclerosis Symptoms

A new study found that cannabis-derived essential oil rich in terpenes reduced pain sensitivity, improved motor function and eased anxiety- and depression-like behavior in a mouse model of multiple sclerosis, while also reducing inflammation and protecting nerve tissue.

Full-Spectrum Cannabis Oil Improves Liver Function and Reduces Disease Markers in Fatty Liver Model

Researchers found that a full-spectrum cannabis oil containing CBD and THC helped reverse multiple markers of fatty liver disease in rats, reducing liver fat accumulation, oxidative stress and inflammatory signaling while improving lipid metabolism and mitochondrial function.

Hemp Seed Protein Patties Closer to Beef Than Other Plant-Based Alternatives in Nutrition, Safety and Flavor

A new study found that patties made with hemp seed protein outperformed other plant-based alternatives on multiple measures of nutrition, digestibility and flavor, with researchers concluding they came closer to beef in overall profile than the other non-meat products tested.

Marijuana Extracts Found More Effective and Better Tolerated Than Dronabinol in Older Adults With Chronic Pain

New research found that CBD-dominant full-spectrum marijuana extracts provided stronger pain relief and fewer side effects than dronabinol in older adults with chronic pain, with the CBD group also showing lower discontinuation rates.

Cannabis Seed Extracts Show Strong Anti-Aging and Skin-Protective Potential in New Research

Researchers found that phenolic-rich cannabis seed extracts showed strong antioxidant activity and inhibited multiple enzymes tied to skin aging, inflammation and discoloration, pointing to possible cosmetic and skin-protective applications.

CBD Found to Disrupt Key Infection Mechanisms of Listeria

A new study found that CBD may weaken Listeria monocytogenes by reducing motility, toxin production and host-cell invasion, suggesting potential applications in food safety and treatment strategies.

CBD Nanoemulsion Using Argan Oil Shows Promise for Psoriasis Treatment

Researchers found that a CBD nanoemulsion made with argan oil showed improved stability, controlled release and favorable topical safety findings, suggesting it may be a promising approach for psoriasis treatment.

Cannabidiol Shows Potential to Support Weight Gain and Symptom Improvement in Anorexia

A randomized, double-blind, placebo-controlled clinical trial found that CBD was associated with a statistically significant increase in body mass index in women with anorexia nervosa or atypical anorexia, while also appearing safe and well tolerated.

CBD May Help Ease Pain and Improve Recovery After Exercise-Related Muscle Injury

A randomized, placebo-controlled, double-blind study found that CBD may reduce pain, strength loss and physical disability after exercise-related muscle injury, with no reported side effects among participants who used the CBD product.

Survey: Vast Majority of Veterinarians in Portugal Report Using CBD for Pets, High Satisfaction Across Multiple Conditions

A survey of 166 small-animal veterinarians in Portugal found that CBD is widely used for dogs and cats, with especially high satisfaction reported for oncological conditions, chronic pain, behavioral issues and inflammation.

Novel Starch-Based Delivery System Dramatically Boosts CBD Absorption, Shows Anti-Cancer Effects in Lung Cells

Researchers found that a porous starch-based CBD formulation increased water solubility nearly 16-fold, improved simulated release in gastric and intestinal conditions, and inhibited lung cancer cell growth by more than 52% in lab testing.

National Institute on Aging Study Finds Cannabinoid Drug Improved Insulin Sensitivity in Men

A study from researchers at the National Institute on Aging found that nabilone, a cannabinoid-related drug, increased insulin sensitivity in a small group of healthy men, while a higher dose of a CB1 receptor blocker had the opposite effect.

Powder-Based CBD Formulation Dramatically Improves Stability Over Oil

A new study found that how CBD is formulated has a major impact on long-term stability, with powder-based systems significantly outperforming traditional oil formulations.

CBG Found to Trigger Multiple Cancer Cell Death Pathways in Pancreatic Tumor Cells

Researchers found that CBG may have strong anti-cancer effects against pancreatic tumor cells, slowing cell growth and triggering multiple forms of programmed cell death.

Aerobic Exercise Linked to Reduced Migraines and Changes in Endocannabinoid Levels

A randomized clinical trial found that regular aerobic exercise may significantly reduce migraine frequency while also altering levels of anandamide, a key endocannabinoid involved in pain and mood regulation.

Cannabinoids May Help Protect Cognitive Function in Parkinson’s Disease

A new review found that cannabinoid-based treatments may help preserve cognitive function in Parkinson’s disease by influencing neuronal plasticity and the endocannabinoid system.

Fennel Oil and Yeast Lysate Boost Marijuana Disease Resistance and Cannabinoid Levels

Researchers found that a combination of fennel essential oil, yeast lysate and beneficial microbes may help marijuana plants resist disease and pests while increasing levels of key cannabinoids.

CBD May Reduce a Key Ketamine Side Effect While Preserving Antidepressant Potential

A study found that CBD may reduce a major ketamine side effect by targeting a brain receptor tied to movement and dopamine activity, while potentially preserving ketamine’s antidepressant benefits.

CBD and Probiotics May Work Together to Support the Gut-Brain Axis

A review found that CBD and probiotics may have complementary effects on the gut-brain axis, with both appearing to support microbial diversity, reduce inflammation and influence neuroactive compounds tied to mood and neurological health.

CBD Shows Multi-Target Potential Against Breast Cancer Pathways

Researchers found that CBD showed strong binding affinity to multiple proteins involved in breast cancer growth, spread, angiogenesis and resistance to cell death, suggesting it may have potential as a multi-target treatment candidate.

Delta-8 THC May Dramatically Slow Nicotine Metabolism, Raising Smoking Cessation Potential

A new study found that delta-8 THC strongly inhibited the enzyme primarily responsible for nicotine metabolism, raising the possibility that it could help prolong nicotine exposure and potentially aid smoking cessation.

CBD-Dominant Marijuana Extracts Outperform THC in Older Adults With Chronic Pain, Although Both Help

Researchers analyzing real-world data found that CBD-dominant full-spectrum marijuana extracts were associated with stronger pain relief, better sleep and daily functioning, and fewer side effects than pure THC in older adults with chronic pain.

CBD Restores Key Mitochondrial Function in Cells From Rare Genetic Disorder Barth Syndrome

A study found that CBD restored several major cellular and mitochondrial deficits in immune cells derived from people with Barth syndrome, including improvements in cell growth, cardiolipin balance and mitochondrial performance.

High-Volume Medical Marijuana Dispensaries Linked to Lower Rates of Larceny and Motor Vehicle Theft

A new study found that areas with high-volume medical marijuana dispensaries had lower rates of larceny and motor vehicle theft, adding to evidence that regulated marijuana businesses are not associated with increases in crime and may in some cases coincide with reduced property offenses.

Cannabis Essential Oil Reduces Pain and Nerve Damage in Multiple Sclerosis Model

Researchers found that cannabis essential oil reduced pain sensitivity, inflammation and nerve damage in an animal model of multiple sclerosis, suggesting potential therapeutic value for managing both symptoms and disease-related neurological harm.

Exosome-Based Oral CBD Slows Aggressive Triple-Negative Breast Cancer

Researchers found that an exosome-based oral CBD formulation improved tumor targeting and slowed the growth of aggressive triple-negative breast cancer in mice, while also altering the activity of more than 1,000 genes tied to cancer progression.

Clinical Trial: Cannabis-Based Herbal Formula Matches Lorazepam for Chronic Insomnia Relief

A clinical trial found that a cannabis-based herbal formula performed similarly to lorazepam in relieving chronic insomnia, while also showing potential benefits for sleep quality and related symptoms.

Hemp Seed Compounds Show Potential for Treating Diabetes and Obesity

Researchers found that two hemp seed hull compounds, Cannabisin A and Cannabisin B, improved blood sugar control and restored key metabolic signaling tied to diabetes and obesity in cell, liver and mouse models.

Study: CBD Triggers Cell Death in Breast Cancer Cells Through Multiple Molecular Pathways

A new study found that CBD reduced breast cancer cell viability and triggered cell death through several interconnected pathways involving oxidative stress, mitochondrial dysfunction and apoptosis.

CBG-Dominant Cannabis Extract Reduces Fat Cell Formation and Boosts Fat Burning

Researchers found that a CBG-dominant cannabis extract reduced the formation of fat cells while increasing markers tied to fat breakdown and energy expenditure in a lab model.

Marijuana Flower Shows Neuroprotective and Pain-Relieving Effects in Alzheimer’s Model

A study published in Frontiers in Pharmacology found that marijuana flower produced strong pain-relieving and neuroprotective effects in an animal model designed to mimic both Alzheimer’s-related cognitive impairment and chronic neuropathic pain.

Multiple Cannabis Compounds Found to Target Key Skin Cancer Growth Pathways

A new study found that numerous cannabis-derived compounds may interfere with major skin cancer growth pathways tied to proliferation, invasion and metastasis.

Marijuana Use Linked to Lower Opioid Need After Wrist Fracture Surgery

New research published in the Journal of Surgical Orthopaedic Advances found that patients who used marijuana required significantly fewer opioids after distal radius fracture surgery while reporting pain control comparable to non-users.

CBD-Derived Compound Shows Potential to Treat Bladder Dysfunction After Spinal Cord Injury

A study published in Life Sciences found that the CBD-derived compound CIAC001 improved bladder function, reduced neuroinflammation and helped restore bladder-related nerve pathways in mice with spinal cord injury.

THC and CBD Combination Reduces Pain, Improves Jaw Function in Patients With Chronic TMD

A study in adults with chronic temporomandibular disorder found that a balanced THC/CBD treatment significantly reduced pain and improved jaw mobility, with functional pain falling by roughly 90%.

What Marijuana’s Move to Schedule III Will and Will Not Change Under Federal Law

A new policy analysis found that moving marijuana to Schedule III would mark the biggest federal marijuana policy shift in decades, but it would still fall well short of legalization and would not automatically make state markets federally lawful.

Hemp Protein Cuts Cholesterol by Nearly 40% in Lab Tests

A new study found that a modified hemp protein reduced total cholesterol by nearly 40% and triglycerides by more than 30% in lab testing, while also increasing HDL cholesterol.

Optimized CO2 and Ventilation Boost Cannabis Micropropagation Biomass by Up to 282%

Researchers found that carefully balancing carbon dioxide levels and air exchange dramatically improved the growth of medicinal cannabis plantlets, with the biggest gains coming under elevated CO2 and moderate ventilation.

CBD and Bevacizumab Combo Reduces Lung Cancer Cell Growth by Over 50%

Researchers found that combining CBD with bevacizumab significantly increased cancer cell death in a lab model of non-small cell lung cancer, pointing to potential benefits from the two-drug approach.

Hundreds of Industrial Uses for Marijuana Plant Waste

A review of 262 studies found that marijuana plant waste may have significant industrial value, with potential uses spanning textiles, bioplastics, fuels and food products.

No Significant Driving Impairment Found 12 to 15 Hours After Marijuana Use in Frequent Consumers

A new study found that frequent marijuana users did not show measurable driving impairment 12 to 15 hours after use, even when THC remained detectable in blood and oral fluid.

CBD Shows Anti-Tumor Effects in Burkitt Lymphoma Cells

Researchers found that CBD may help slow the growth of Burkitt lymphoma cells and reduce a key cancer stem cell marker, suggesting potential anti-tumor effects in this aggressive cancer type.

Even 1 to 5 mg of THC Can Trigger a Positive Urine Test Weeks After Use, Study Finds

A recent study found that even very small amounts of THC can lead to a positive urine test for days or even weeks, underscoring how low-dose exposure may still carry drug-testing consequences.

Study: Cannabis Drinks Linked to 50% Drop in Alcohol Use, University at Buffalo Study Finds

Researchers found that adults who used cannabis-infused beverages during a monitored drinking period cut their alcohol intake by about half, suggesting the products may serve as a substitute for some drinkers.

Clinical Trial Finds CBD Suppositories May Ease Menstrual and Pelvic Pain

A clinical trial found that CBD suppositories were associated with reductions in menstrual and pelvic pain symptoms, pointing to a potential new localized treatment approach.

Study: CBD Protects Insulin-Producing Cells in Obesity, Boosts Key Metabolic Pathway

A new study found that CBD helped protect insulin-producing cells in obesity by improving cellular stress responses and boosting a metabolic pathway tied to glucose regulation and cell survival.

Americans Use More CBD Than Europeans, International Study Finds

A cross-national study found that CBD use was more common among Americans than Europeans, with notable differences in how people in each region viewed its safety, effectiveness and everyday use.

Study Finds CBD Reduces Both Acute and Inflammatory Pain, Including in Opioid-Dependent Subjects

Researchers found that CBD reduced both acute and inflammatory pain in preclinical models, including in opioid-dependent subjects, supporting its potential as a non-opioid pain management tool.

Study Published in Canadian Journal of Pain Finds Medical Marijuana Linked to Improvements in Pain, Mental Health and Quality of Life

A study published in the Canadian Journal of Pain found that patients with chronic pain using medical marijuana under clinical supervision reported improvements in pain-related outcomes, anxiety, depressive symptoms and overall quality of life over 24 weeks.

Study: Maternal Marijuana Use Not Linked to Retinopathy of Prematurity in Preterm Infants

A large study found that preterm infants born to mothers with a diagnosed marijuana use disorder were no more likely to develop retinopathy of prematurity than those born to mothers without such a diagnosis.

Over 80% of Hemp-Derived CBD Products Are Inaccurately Labeled, Many Have No CBD, Johns Hopkins Study Finds

Researchers at Johns Hopkins found that most hemp-derived CBD products sold as cosmetics, haircare items, and foods or drinks were inaccurately labeled, with some containing far more or less CBD than advertised and some containing none at all.

Epigenetic “Switch” May Help Breeders Boost Hemp Flavonoids and Cannabinoids, Study Finds

A new study found that chromatin opening, a form of epigenetic regulation, may help explain why some hemp varieties produce far more flavonoids and cannabinoids than others, offering a potential tool for future breeding.

Study: Female Marijuana Plants Contain Nearly 17 Times More CBD Than Males, Researchers Identify the Exact Genes Responsible

Researchers found that female marijuana flowers contained nearly 17 times more CBD than male flowers, and identified major genetic and metabolic differences that help explain the gap in cannabinoid production.

Study: CBC and CBD Combo Shrinks Drug-Resistant Triple-Negative Breast Cancer Tumors in Lab and Animal Models

A peer-reviewed study found that combining CBC and CBD produced strong anti-tumor effects against drug-resistant triple-negative breast cancer, reducing invasion and shrinking tumors in both lab and animal models.

Study: CBD Kills Rare Ovarian Tumor Cells by Targeting TRPV2 Channel and Mitochondrial Pathway

A new study found that CBD may kill cells from a rare ovarian tumor by acting through the TRPV2 ion channel and a mitochondrial pathway involved in cell survival and death.

CB1 Activation Helps Speed Wound Healing, Reports Study

Researchers found that activating CB1 boosted key wound-healing processes in human skin cells and accelerated wound closure in mice, suggesting cannabinoids may have therapeutic potential in tissue repair.

CBD May Help Limit the “Second Wave” of Brain Damage After Traumatic Brain Injury, Study Finds

A new review found that CBD may help reduce the delayed secondary wave of brain damage that often follows traumatic brain injury by dampening inflammation, protecting neurons and supporting blood-brain barrier function.

Study: CB2 Activation May Reduce Lung Injury Caused by COVID-19

A recent study found that activating the CB2 receptor reduced inflammation, improved lung function and lowered markers of immune overactivation in an animal model of COVID-19-related lung injury.

Study: Veterans Say Marijuana Helps Manage Symptoms, but Many Avoid Discussing Use With VA Clinicians

A study based on interviews with U.S. veterans found that many use marijuana to help manage symptoms such as chronic pain, PTSD, anxiety and sleep issues, but often avoid discussing it with VA clinicians due to stigma, legal concerns and fears about how it could affect their benefits.

Study Finds Cannabinoids like CBD and THC May Influence Liver Cancer Pathways Through Ion Channels

A new scientific review found that cannabinoids such as CBD and THC may affect liver cancer-related pathways through their interaction with ion channels involved in inflammation, abnormal cell growth and cell death, highlighting their potential relevance to future prevention and treatment strategies.

Study: THC Shown to Disrupt Cavity-Causing Bacteria and Dental Biofilms

Researchers found that THC significantly inhibited the growth and acid production of Streptococcus mutans, the bacteria most associated with cavities, while also sharply reducing the formation and activity of dental biofilms in laboratory testing.

Study: CBD Reduces Inflammatory Lipid Build-Up in Visceral Fat Linked to Obesity

A new animal study found that CBD reduced inflammatory lipid build-up in visceral fat tied to obesity, with the strongest effects seen in the fat surrounding internal organs that is most closely associated with metabolic disease.

Study: Germany Marijuana Legalization Hasn’t Increased Driving While High

A new analysis found no significant short-term increase in either adult marijuana use or self-reported driving under the influence of marijuana in Germany after legalization, with marijuana-impaired driving among at least monthly users actually falling slightly in the follow-up survey.

Study: Recreational and Medical Marijuana Laws Linked to 9–11% Drop in Daily Opioid Misuse Among People Who Inject Drugs

Researchers found that states with both medical and recreational marijuana laws were associated with a 9% to 11% drop in daily non-medical opioid use among people who inject drugs, while medical-only laws did not show the same reduction.

Study: CBD Protects Newborn Brain Cells From Oxygen Deprivation by Blocking Ferroptosis Pathway

A new study found that CBD protected newborn brain cells in a lab model of oxygen deprivation by reducing oxidative stress, preserving antioxidant defenses, and helping prevent the iron buildup that drives ferroptotic cell death.

Study: Combining CBD and CBG Cuts Effective CBD Seizure Dose in Half in Standard Epilepsy Model

Researchers found that CBD and CBG each suppressed seizures on their own, and that combining them cut the effective CBD dose by more than 50% in a standard mouse epilepsy model while improving the overall efficacy-to-toxicity profile.

Study: Full-Spectrum CBD Extract Reduced Meth Relapse-Like Behavior Better than CBD Alone

A recent study found that a full-spectrum CBD extract reduced relapse-like methamphetamine seeking and meth-triggered hyperactivity in rats more effectively than CBD isolate alone, suggesting other plant compounds may enhance CBD’s therapeutic effects.

Study Finds CBD May Support Bone Formation, Strength, and Healing Through Multiple Biological Pathways

A new review of 24 studies found that CBD may support bone formation, mineralization, fracture healing and strength through multiple pathways tied to bone turnover, inflammation and oxidative stress, though the evidence remains largely preclinical.

Low-Dose CBD Protected Developing Heart From Oxygen-Related Injury in Newborn Animal Study

A new study found that low-dose CBD helped protect the developing heart from oxygen-related injury in newborn mice, reducing fibrosis, abnormal wall thickening and cell death while preserving cardiomyocyte proliferation.

Study: CBD Gel Reduced Jaw Muscle Activity in Adults With Temporomandibular Disorders

A randomized, double-blind pilot study found that nightly use of an intraoral CBD gel significantly reduced jaw muscle activity in adults with temporomandibular disorders, with no adverse events reported.

Study: Hemp Seed Extracts May Enhance Effectiveness of Antibiotics and Antifungal Medications

Researchers found that certain hemp seed extracts showed antimicrobial activity in lab testing and, when combined with medications such as amoxicillin and miconazole, produced measurable synergistic effects.

Study: CBD Shows Potent Antibacterial Activity Against Drug-Resistant Enterococcus Strains

A new lab study found that CBD demonstrated strong antibacterial activity against Enterococcus faecalis and Enterococcus faecium, including drug-resistant strains linked to hospital-acquired infections.

Psilocybin Found to Significantly Reduce Depression in Cancer Patients, Meta-Analysis Shows

A new meta-analysis found that psilocybin was associated with substantial reductions in depressive symptoms among cancer patients, with benefits for anxiety appearing more mixed and less consistent.

Study: Psilocybin Treatment May Benefit Those With PTSD

Researchers found that psilocybin-assisted treatment may offer a meaningful new approach for PTSD, with participants reporting that it helped them engage with trauma in a different and often less confrontational way than standard therapies.

Marijuana Extracts Rich in CBC and THC Show Anti-Cancer Activity Against Bladder Tumors, Says Study

A recent study found that marijuana extracts containing CBC and THC reduced bladder cancer cell viability, slowed cell migration and triggered cancer cell death in both cell and ex vivo models.

Clinical Trial Finds Cannabis Oil Matches Lorazepam for Treating Insomnia, Improves Quality of Life

In a randomized clinical trial, cannabis oil performed comparably to lorazepam in improving sleep quality among adults with chronic insomnia, while also leading to greater gains in overall quality of life.

Study: CBD May Help Overcome Drug Resistance in Leukemia Cells

Researchers found that CBD reduced leukemia cell proliferation and, when combined with imatinib, enhanced drug activity in resistant cells, suggesting it may help counter some forms of treatment resistance.

Study: Medical Cannabinoids Show Broad Neuroprotective Effects in Ischemic Stroke Models

A new analysis found that medical cannabinoids produced broad neuroprotective effects in ischemic stroke models, reducing brain damage and improving neurological outcomes across multiple animal studies.

Study: CBD Reduces Neuroinflammation Linked to Long COVID by Modulating Brain Cell Signaling

A new study found that CBD reduced neuroinflammation tied to long COVID by altering signaling pathways in brain cells, pointing to its potential to help address lingering neurological symptoms.

CBD Improves Cognitive Recovery After Traumatic Brain Injury by Blocking Neuronal Oxidative Stress, Study Finds

Researchers found that CBD improved cognitive recovery after traumatic brain injury in an animal model by reducing oxidative stress and helping protect neurons from damage.

Cannabidiol Shows Promise in Easing Benzodiazepine Withdrawal Symptoms, Study Finds

A recent study found that CBD may help ease symptoms associated with benzodiazepine withdrawal, supporting its potential as a therapeutic aid during the withdrawal process.

Study: CBD Triggers Cancer Cell Death and Suppresses Melanoma Spread Through Epigenetic Pathway

Researchers found that CBD triggered cancer cell death and reduced melanoma spread in lab models, with the effects linked to an epigenetic pathway involved in tumor growth and survival.

Medical Cannabis and Depression/Anxiety

A new study found that medical marijuana use was associated with improvements in symptoms of depression and anxiety, adding to growing evidence that some patients may benefit from it for mental health-related conditions.

Study: Young Adults Say Marijuana Enhances Pleasure, Connection and Confidence During Sex

A recent study found that many young adults report marijuana enhances sexual experiences by increasing pleasure, emotional connection and confidence, while also shaping communication and comfort with partners.

Study: Lesser-Known Marijuana Compounds Like CBDV and CBG Can Reduce Inflammation, Especially When Combined

Researchers found that several lesser-known marijuana compounds reduced inflammation, with CBDV showing particularly strong effects on its own and combinations involving CBG or CBN producing especially notable results.

Study: CBD May Slow Aging in Stem Cells Used for Regenerative Medicine

A new study found that CBD helped preserve stem cell function and slowed signs of cellular aging in lab-grown mesenchymal stem cells, suggesting potential benefits for regenerative medicine.

CBD Reduces Bacteria That Causes Gum Disease, Finds New Lab Study

In a laboratory study, CBD reduced total bacterial levels and lowered key bacteria tied to gum disease in a model designed to mimic subgingival oral biofilms.

Study: CBD Reduced Bladder Pain and Inflammation in Animal Model of Interstitial Cystitis

Researchers found that CBD reduced bladder pain, inflammation and fibrosis while improving bladder function in an animal model of interstitial cystitis.

Study: Cannabis Extract Triggered Cell Death and Reduced Invasion in Human Breast Cancer Cells

A new study found that a cannabis extract triggered apoptosis and reduced the migration and invasiveness of two human breast cancer cell lines.

Randomized Controlled Trial Finds CBD May Reduce Anxiety and Perceived Effort in Runners

In a randomized controlled trial, researchers found that a single dose of CBD increased calmness and relaxation while reducing perceived effort during a 2-mile run, although it did not improve overall performance.