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Cannabis: all studies

Page 74 of 289: studies 731 to 740 of 2,882, newest first. Back to the cannabis overview

Research

Introduction to JINS Special Issue: Clarifying the Complexities of Cannabis and Cognition

Journal of the International Neuropsychological Society July 1, 2021 Krista M. Lisdahl, F. Filbey, Staci A Gruber

Given the different goals of recreational cannabis users and medical patients, which drive cannabis product choice and use patterns, it is likely that those who use cannabis for medical purposes may experience differential effects on cognition. Potential moderators of cannabis-related effects One explanation for inconsistencies in the literature regarding neurocognitive effects of cannabis is...

An Observational, Longitudinal Study of Cognition in Medical Cannabis Patients over the Course of 12 Months of Treatment: Preliminary Results

Journal of the International Neuropsychological Society July 1, 2021 Kelly A. Sagar, M. Dahlgren, Ashley M. Lambros et al.

Abstract Objective: Cannabis use has increased dramatically across the country; however, few studies have assessed the long-term impact of medical cannabis (MC) use on cognition. Studies examining recreational cannabis users generally report cognitive decrements, particularly in those with adolescent onset. As MC patients differ from recreational consumers in motives for use, product selection,...

Cannabis and synaptic reprogramming of the developing brain.

Nature Reviews Neuroscience July 2021 Anissa Bara, Jacqueline-Marie N Ferland, Gregory Rompala et al.

Recent years have been transformational in regard to the perception of the health risks and benefits of cannabis with increased acceptance of use. This has unintended neurodevelopmental implications given the increased use of cannabis and the potent levels of Δ9-tetrahydrocannabinol today being consumed by pregnant women, young mothers and teens. In this Review, we provide an overview of the...

The why behind the high: determinants of neurocognition during acute cannabis exposure.

Nature Reviews Neuroscience July 1, 2021 Johannes G. Ramaekers, Natasha L. Mason, Lilian Kloft et al.

Acute cannabis intoxication may induce neurocognitive impairment and is a possible cause of human error, injury and psychological distress. One of the major concerns raised about increasing cannabis legalization and the therapeutic use of cannabis is that it will increase cannabis-related harm. However, the impairing effect of cannabis during intoxication varies among individuals and may not...

Cannabis, Schizophrenia Risk and Genetics: A Case Report of a Patient With Homozygous Valine Catechol-O-Methyltransferase Polymorphism

Cureus June 18, 2021 Katelyn Grechuk, Heela Azizi, Vatsala Sharma et al.

The question of whether cannabis can trigger schizophrenia continues to be a subject of interest. There has been an increasing focus on identifying potential genetic factors that may predispose cannabis users to develop schizophrenia. One such gene identified in many studies codes for a catechol-O-methyltransferase (COMT) enzyme polymorphism. These studies, however, are limited by the inclusion...

Pharmacokinetics and Perceptions of Children and Young Adults Using Cannabis for Attention-Deficit/Hyperactivity Disorder and Oppositional Defiant Disorder: Protocol for a Mixed Methods Proof-of-Concept Study

JMIR Research Protocols June 16, 2021 H. Mansell, D. Quinn, L. Kelly et al.

Background Despite the lack of evidence on the use of cannabis for the treatment of attention-deficit/hyperactivity disorder (ADHD), the growing perception that cannabis is safe has led more patients and caregivers to self-medicate. Some psychiatrists now authorize medicinal cannabis for patients with ADHD with features of oppositional defiant disorder (ODD) to curtail the unregulated (ie,...

Not Just a Pot: Visual Episodic Memory in Cannabis Users and Polydrug Cannabis Users: ROC and ERP Preliminary Investigation

Frontiers in Human Neuroscience June 11, 2021 Alicja Anna Binkowska, Natalia Jakubowska, Maciej Gaca et al. 9 citations

Background While research has consistently identified an association between long-term cannabis use and memory impairments, few studies have examined this relationship in a polydrug context (i.e., when combining cannabis with other substances). Aims: In this preliminary study, we used event-related potentials to examine the recognition process in a visual episodic memory task in cannabis users...

Sex differences in the acute pharmacological and subjective effects of smoked cannabis combined with alcohol in young adults.

Psychology of Addictive Behaviors June 3, 2021 Madison Wright, Christine M Wickens, Patricia Di Ciano et al.

Objective: The prevalence of co-use of alcohol and cannabis is increasing, particularly among young adults. Sex differences in the effects of alcohol alone and cannabis alone have been observed in animals and humans. However, sex differences in the acute pharmacological effects of cannabis combined with alcohol have not yet been studied. In young adults, aged 19-29 years, we aimed to examine...

Cannabis Intoxication, a Neglected Cause of Altered Level of Consciousness in Children: A Case Series

International Journal of Pediatrics and Child Health June 2, 2021 A. Mari, L. Gianolio, L. Abbattista et al.

Altered level of consciousness (ALC) represents a neurological emergency, which demands a methodical approach to evaluation and treatment. Emergency departments’ Paediatricians dealing with children with ALC need a rapid and reliable diagnostic process to rule out life-threatening conditions. ALC can be caused by structural and non-structural conditions, and, among non-structural conditions,...

Early onset psychosis and cannabis use: Prevalence, clinical presentation and influence of daily use.

Asian Journal of Psychiatry May 27, 2021 M. Pardo, J. Matalí, Jenym Sivoli et al.

Most of the studies examining the impact of cannabis use in first episode psychosis (FEP) have been carried out in samples with adult-onset FEP. Data in persons with early onset psychosis (EOP) is scarce. The aims of the study were: To describe the prevalence of lifetime cannabis use, current use, and daily use in patients with EOP compared to healthy controls. To study the differences in...