...Deirdre Mongan; Anne Marie Carew; Derek O’Neill; Seán R. Millar; Suzi Lyons; Brian Galvin; Bobby P. Smyth Introduction: Given the increased prevalence of cannabis use in Ireland and increase in cannabis potency, this study aimed to estimate the size of the potential population in Ireland that may...

...Cristina Calomarde-Gómez; Bel Jiménez-Fernández; Mercedes Balcells-Oliveró; Antoni Gual; Hugo López-Pelayo Background: Cannabis is one of the most used drugs worldwide. There is no gold standard treatment for cannabis use disorder (CUD). Motivational interviewing (MI) has shown efficacy in some...

... (10.5% [9.5–11.4]), cannabis (9.0% [8.2–9.9]), and sedative (3.6% [3.0–4.2]) use disorders. Alcohol-cannabis (3.2% [2.7–3.7]) and alcohol-sedative (1.04% [0.7–1.35]) were the most prevalent co-occurring SUDs. Among those with cannabis use disorder, the prevalence of alcohol use disorder was found...

...Miriam Wittemann; Jule Brielmaier; Mathias Rubly; Jennifer Kennel; Florian Werler; Mike M. Schmitgen; Katharina M. Kubera; Dusan Hirjak; Nadine D. Wolf; Wolfgang Reith; Robert Christian Wolf Introduction: Acute and long-term adverse effects of heavy cannabis use (HCU) on neurocognitive function...

...Roman Gabrhelík; Milada Mahic; Ingunn Olea Lund; Jørgen Bramness; Randi Selmer; Eva Skovlund; Marte Handal; Svetlana Skurtveit Background: With recent changes in legislation regulating recreational and medical cannabis use around the globe, increased use in pregnancy is to be expected. Objectives...

... to psychological problems, including increases in substance use. Objective: To investigate changes in alcohol, tobacco, and cannabis consumption before and during COVID-19 lockdown and motives for these changes in substance use. Method: A web-based survey was filled out by an unselected population during...

...Marcelo G. Lima; Vitor S. Tardelli; Elisa Brietzke; Thiago M. Fidalgo Introduction: Although the recreational cannabis use is expressive worldwide, the literature about medical potential of cannabis extracts, including its anti-inflammatory properties, remains inconclusive. Methods: We screened all...

...Isabel Menendez-Miranda; Leticia Garcia-Alvarez; Maria Paz Garcia-Portilla; Leticia Gonzalez-Blanco; Pilar Alejandra Saiz; Julio Bobes Background: Data on associations between cannabis use and psychopathology, cognition and functional impairment in schizophrenia spectrum disorders (SSD...

... of tobacco use was associated with early substance use initiation, academic attainment, grade retention, and parental smoking. Early tobacco and cannabis use initiation predicted high-level tobacco use, whether it persisted (OR 2.29, 95% CI 1.23–4.28) or not (OR 2.99, 95% CI 1.59–5.63). Grade retention...

...Jørgen G. Bramness; Geert Dom; Antoni Gual; Karl Mann; Friedrich Martin Wurst Aim: This study was aimed at investigating the availability and prescription of different medicinal variants of cannabis and their status in European countries. Methods: A -web-based survey was sent to all member...

...Cristina Casajuana; Hugo López-Pelayo; Laia Miquel; María Mercedes Balcells-Oliveró; Joan Colom; Antoni Gual Introduction: The Standard Joint Unit (1 SJU = 7 mg of 9-Tetrahydrocannabinol) simplifies the exploration of risky patterns of cannabis use. This study proposes a preliminary quantitative...

...Sybil Goulet-Stock; Sergio Rueda; Afshin Vafaei; Anca Ialomiteanu; Jakob Manthey; Jürgen Rehm; Benedikt Fischer Background: While recreational cannabis use is common, medical cannabis programs have proliferated across North America, including a federal program in Canada. Few comparisons of medical...

...Linda Montanari; Bruno Guarita; Jane Mounteney; Nina Zipfel; Roland Simon This paper explores European and national trends in specialised drug treatment entry for cannabis-related problems. The analysis is based on data for the years 2003-2014 from 22 European countries. Between 2003 and 2014...

...Thomas Schwitzer; Matthieu P. Robert; Anne Giersch; Karine Angioi-Duprez; Isabelle Ingster-Moati; Amandine Pon-Monnier; Raymund Schwan; Vincent Laprevote Although cannabis is very widespread worldwide, the impact of cannabis on visual function remains poorly understood. This is partly due...

...Eva Hoch; Ulrich W. Preuss; Marica Ferri; Roland Simon Background: Existing cannabis treatment programs reach only a very limited proportion of people with cannabis-related problems. The aim of this systematic review and meta-analysis was to assess the effectiveness of digital interventions applied...

...Huseyin Bayazit; Erdinc Cicek; Salih Selek; Nurten Aksoy; I. Fatih Karababa; Hasan Kandemir; Sultan Basmaci Kandemir Background: It has been determined that cannabis has adverse effects on brain tissue, and that increased S100 calcium binding protein B (S100B) blood levels are markers of neuronal...

...Jean-Francois Etter Aims: To describe cannabis ‘vaping' with electronic cigarettes (e-cigarettes) or electronic vaporizers (e-vaporizers). Methods: Internet survey in 2013-2014. Participants were 11 people who ‘vaped' cannabis with e-cigarettes and 44 people who vaped cannabis with e-vaporizers...

...Mark Asbridge; Cameron Duff; David C. Marsh; Patricia G. Erickson Considerable recent attention has focused on how harmful or problematic cannabis use is defined and understood in the literature and put to use in clinical practice. The aim of the current study is to review conceptual...

... on the use of cannabis, ecstasy, cocaine, amphetamines, GHB and ketamine. Results: The results of the multiple logistic regression analyses show that in the group of frequent pub visitors, the predicting probability of cannabis use increased over time, while the gap in drug use between dance music lovers...

...R. Noack; M. Höfler; U. Lueken Aims: To investigate the gender differences in the patterns of cannabis use (CU), namely frequency, times of day, social context and methods and in their association with DSM-IV cannabis dependence. Methods: A sample of 3,904 students from German universities...