Lack of evidence for the effectiveness or safety of over-the-counter cannabidiol products
Abstract Over the past 5 years, public interest in the potential health benefits of cannabidiol (CBD) has increased exponentially, and…
Tom P. Freeman
Association of High-Potency Cannabis Use With Mental Health and Substance Use in Adolescence
Abstract Question: Does use of high-potency cannabis (compared with use of low-potency cannabis) increase risks for problems resulting from cannabis…
Do AKT1, COMT and FAAH influence reports of acute cannabis intoxication experiences in patients with first episode psychosis, controls and young adult cannabis users?
Abstract Epidemiological and biological evidence support the association between heavy cannabis use and psychosis. However, it is unclear which cannabis…
Adverse effects of cannabidiol: a systematic review and meta-analysis of randomized clinical trials
Abstract Cannabidiol (CBD) is being investigated as a treatment for several medical disorders but there is uncertainty about its safety.…
The neuropsychopharmacology of cannabis: A review of human imaging studies
Abstract The laws governing cannabis are evolving worldwide and associated with changing patterns of use. The main psychoactive drug in…
Increasing potency and price of cannabis in Europe, 2006–16
Abstract Aims: To quantify changes in (i) potency (concentration of Δ9‐tetrahydrocannabinol; %THC), (ii) price (euros/g of cannabis) and (iii) value…
Individual and combined effects of acute delta-9-tetrahydrocannabinol and cannabidiol on psychotomimetic symptoms and memory function
Abstract The main active ingredient in cannabis, delta-9-tetrahydrocannabinol (THC), can acutely induce psychotic symptoms and impair episodic and working memory.…
Which biological and self-report measures of cannabis use predict cannabis dependency and acute psychotic-like effects?
Abstract Background: Changes in cannabis regulation globally make it increasingly important to determine what predicts an individual’s risk of experiencing…
Cannabidiol reverses attentional bias to cigarette cues in a human experimental model of tobacco withdrawal
Abstract Background and Aims: Cannabidiol (CBD), a non‐intoxicating cannabinoid found in cannabis, may be a promising novel smoking cessation treatment…
Anatomy of a Joint: Comparing Self-Reported and Actual Dose of Cannabis and Tobacco in a Joint, and How These Are Influenced by Controlled Acute Administration
Abstract Introduction: Major gaps exist in the measurement of cannabis exposure. The accuracy of self-reported cannabis and tobacco dose per…