International Journal of Environmental Research and Public Health
March 1, 2023
S. F. Rezag Bara, M. Mary-Krause, S. Wallez et al.
Levels of cannabis use are high during adolescence, but the proportion of cannabis users among adults is also progressing, often for medical reasons. This study describes the reasons and motivations for using medical cannabis among adults over 30 years old in France. This qualitative study was performed using an interpretative phenomenological analysis. People with a history of cannabis use or...
European Psychiatry
March 1, 2023
Diana-Elena Nistor, Mihai Corban, Lavinia Horoșan
3 citations
Introduction Obsessive-compulsive disorder (OCD) is characterised by intrusive thoughts and repetitive behaviours that considerably impact general functioning. Recent evidence links the endocannabinoid system to OCD neurobiology, and several case reports describe significant improvement after using dronabinol (synthetic tetrahydrocannabinol) in patients with severe OCD. Nevertheless, to what...
European Journal of Clinical Pharmacology
March 2023
Ehsan Motaghi, Masoumeh Ghasemi-Pirbaluti, Mohsen Rashidi et al.
Previous studies have shown that tetrahydrocannabinol (THC), the main psychoactive component of cannabis, can impair cognitive abilities. There is also some evidence that cannabidiol (CBD), the most abundant non-intoxicating constituent of cannabis, can attenuate these effects. The purpose of this study was to investigate the effects of THC:CBD oromucosal spray (with equal parts THC and CBD) on...
European Psychiatry
March 1, 2023
M. Kacem, W. Bouali, M. Henia et al.
Introduction Cannabis is the most widely used illicit drug; 3.8% of the world’s population consumes cannabis on a regular basis. Cannabis use–associated alterations in the domain of cognition have been extensively studied. Objectives To research memory deficiency in the young consumers of cannabis in Tunisia. Methods This is a transversal descriptive study conducted during two months (January...
European Psychiatry
March 1, 2023
B. Roméo, V. Lestra, Catherine Martelli et al.
Introduction The vulnerability-stress-inflammation model is a well-known psychopathological model in patients with psychosis. It implies an imbalance of the microglia activation (M1/M2 pathways’ homeostasis) leading to an over-expression of pro-inflammatory cytokines. However, despite a higher prevalence of cannabis (THC) consumption in patients with psychosis, few studies have investigated the...
European Psychiatry
March 1, 2023
C. Loureiro, Fabiana Corsi-Zuelli, Helene A Fachim et al.
Introduction Gene-environment interactions increase psychosis risk (Gayer-Anderson et al. Soc Psychiatry Psychiatr Epidemiol 2020; 55(5):645-657). However, identifying the genetic variants involved and how they interact with environmental risk factors underlying psychosis remains challenging. Objectives To investigate whether there are gene-environment interactions in the relationships of...
European Psychiatry
March 1, 2023
E. Bergaoui, R. Lansari, O. Chehaider et al.
IntroductionCannabis use is frequent among patients with psychotic disorders. However, the relationship between cannabis consumption and transition to psychosis has not been fully elucidated.ObjectivesThe aim of this study was to assess the prevalence of cannabis use in first episode psychosis and its correlation with transistion to psychosis and severity of symptoms.MethodsA cross-sectional...
Neuropsychopharmacology Reports
March 1, 2023
Yuji Masataka, Takeshi Sugiyama, Yoshiyuki Akahoshi et al.
To determine the risk factors for cannabis use disorders and cannabis psychosis in Japan based on a 2021 online survey among Japanese users of social network services. The 3142 respondents who had used cannabis within the preceding year were categorized into two groups based on the development of cannabis use disorder and/or cannabis psychosis. Analyses were performed to determine these...
Psychiatry Research Neuroimaging
March 1, 2023
Alan N. Francis, Joan A Camprodon, Francesca Filbey PhD
Decision-making (DM) impairments are important predictors of cannabis initiation and continued use. In cannabis users, how decision-making abnormalities related to structural and functional connectivity in the brain are not fully understood. We employed a three-method multimodal image analysis and multivariate pattern analysis (MVPA) on high dimensional 7 tesla MRI images examining functional...
Drug and Alcohol Dependence
February 26, 2023
Ashley N Dowd, C Austin Zamarripa, Dennis J Sholler et al.
Background: Cannabis-infused products available for oral consumption include food and drink items (i.e., edibles) (e.g., baked goods, gummy-, chocolate-, and hard-candies, beverages/drinks) as well as non-food formulations (e.g., oils/tinctures, pills/capsules). This study characterized the motives, opinions, and subjective experiences associated with the use of these seven subtypes of oral...