Cannabis Research Summaries

THC Modulates Threat-Related Brain Processing to Reduce Fear & Anxiety

THC Modulates Threat-Related Brain Processing to Reduce Fear & Anxiety

This randomized, double-blind, placebo-controlled, between-subjects study was published in June 2020 in the journal Psychopharmacology. It examined the effects of low-dose THC on human brain responses to threats. 
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Study: Cannabinoid Medicines May Help with Chemotherapy-induced "Brainfog"

Study: Cannabinoid Medicines May Help with Chemotherapy-induced "Brainfog"

This meta-study was published in the journal Frontiers In Pharmacology in November 2021. It examined the phenomenon known as chemotherapy-induced cognitive impairment (CICI), commonly known as chemofog or chemobrain.
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CBG-A Shows Promise for Reducing Seizures

CBG-A Shows Promise for Reducing Seizures

Published in the British Journal of Pharmacology in August 2021, this study examined the anticonvulsant effects of three acidic, precursor cannaninoids in a mouse model.
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Male Cannabis Users Have 45% Less Bladder Cancer Risk

Male Cannabis Users Have 45% Less Bladder Cancer Risk

This study was published in February 2015 in the journal Urology and evaluated the records of over 80,000 participants in a multi-ethnic California Men's Health Study cohort of men aged 45-69.
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CBD-A is Better than CBD for Nausea & Vomiting

CBD-A is Better than CBD for Nausea & Vomiting

This meta-study examined the effectiveness of the "non-euphoric" cannabinoids CBD, CBDA, and CBDA-ME (methylated) in managing nausea and vomiting. It was published in August 2021 in the journal Cannabis and Cannabinoid Research.
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Retrospective Study Says THC is Better Than CBD for Insomnia

Retrospective Study Says THC is Better Than CBD for Insomnia

This study tracked 991 users of the Strainprint app who had identified insomnia as a condition they were treating with cannabis products. It was published in the Journal of Medical Internet Research in October 2021.

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Study: Cannabis Effective for Anxiety & Depressive Symptoms

Study: Cannabis Effective for Anxiety & Depressive Symptoms

368 cannabis users and 170 control subjects participated in an observational study about their anxiety and depressive disorder symptoms, as well as their  sleep quality, quality of life, and co-morbid chronic pain. The results were published in the journal Frontiers in Psychiatry in September 2021.
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Cannabis Reported to Help with ADHD Symptoms & Medication Side Effects

Cannabis Reported to Help with ADHD Symptoms & Medication Side Effects

This was a self-reported survey of 1738 students with ADHD at Washington State University and was published in October 2021 in the Journal of Attention Disorders.
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CBG Dominant Preparations Help with Anxiety, Chronic Pain, Depression & Insomnia

CBG Dominant Preparations Help with Anxiety, Chronic Pain, Depression & Insomnia

Published in September 2021, this study in the journal Cannabis & Cannabinoid Research, looked at self-reported therapeutic effects of CBG products (containing more than 50% CBG). 
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UK Chronic Pain Patients Show Improvement with CBD + A Little THC

UK Chronic Pain Patients Show Improvement with CBD + A Little THC

This observational study was conducted with 110 patients from the UK Medical Cannabis Registry who used cannabis oils to help manage chronic pain. It was published in The Journal of Clinical Pharmacology in September 2021.
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Cannabis Shows Positive Effects for Neuropathic Pain

Cannabis Shows Positive Effects for Neuropathic Pain

A nationwide register-based cohort study in Denmark was published in October 2021 in the European Journal of Pain, and examined 1817 neuropathic pain patients, and 924 patients with unspecified pain disorders.

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Pain Reduced & Sleep Improved for Rheumatology Patients Using Cannabis

Pain Reduced & Sleep Improved for Rheumatology Patients Using Cannabis

This study, published in September 2021 in the journal Pain Research & Management, evaluated the effect of cannabis treatment on pain level and quality of sleep of patients with different medical conditions at different rheumatology clinics (they focus on treatment of diseases that affect the muscles, bones, joints, ligaments, and tendons).
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Traumatic Brain Injury & CBD

Traumatic Brain Injury & CBD

This study on rats will be published in the journal Experimental Neurology in December 2021. It examined the effects of CBD injected (via implant) directly to the site of a traumatic brain injury (TBI), as well as CBD injected systematically to the blood stream.
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CBD Promotes Bladder Cancer Cell Death

CBD Promotes Bladder Cancer Cell Death

Published in the journal Pharmaceutics in September 2021, this study specifically looked at the effects of CBD isolate treatments on bladder cancer cells in vitro (outside living organisms).

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Cannabinoids Help with Anxiety Symptoms...at the RIGHT Dose

Cannabinoids Help with Anxiety Symptoms...at the RIGHT Dose

This paper published in the journal Neuropharmacology in September 2021 studied the existing evidence for cannabinoids as an anxiolytic (anti-anxiety), specifically their capability to regulate the generation and termination of anxiety states.
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Cannabis User Allergic to Some Cultivars ("strains"), but not Others

Cannabis User Allergic to Some Cultivars ("strains"), but not Others

This was an individual case analysis study published in the journal Allergy, Asthma, & Clinical Immunology in May 2021. It examined a user of cannabis flower that reported an allergic reaction to a specific cultivar of cannabis.
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CBG & Derivatives Show Promise for Inflammation & Obesity

CBG & Derivatives Show Promise for Inflammation & Obesity

This study was published in July 2021 in the journal, Molecules. It examined the effects of several different derivatives of CBG and their effects on pain, inflammation, & obesity.
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Cannabis Use Does Not Alter Cognitive Performance Part of Human Brain

Cannabis Use Does Not Alter Cognitive Performance Part of Human Brain

The study was published in the journal "Addiction Biology" in August 2021. It used diffusion tensor imaging (DTI) to compare whole-brain white matter microstructure among 39 near daily cannabis users and 28 controls closely matched on age, sex, alcohol use, cigarette use and mental health.
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