48 results match your criteria casual cannabis

Steering clear: Traffic violations among emerging adults who engage in habitual or casual cannabis use.

Accid Anal Prev 2021 Apr 1;153:106059. Epub 2021 Mar 1.

School of Public Health and Health Systems, University of Waterloo, Waterloo, Canada. Electronic address:

While some research has shown that cannabis use can impair driving ability, evidence to the degree and impact of impairment are lacking. This study examined the association between habitual or casual cannabis use and past-year traffic violations among emerging adults (EAs). Data come from the 2012 Canadian Community Health Survey-Mental Health. Read More

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Therapeutic potential of cannabinoids in combination cancer therapy.

Adv Biol Regul 2021 01 6;79:100774. Epub 2021 Jan 6.

Metabolic Signalling Group, School Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Perth, Western Australia, 6102, Australia. Electronic address:

Derivatives of the plant Cannabis sativa have been used for centuries for both medical and recreational purposes, as well as industrial. The first proof of its medicinal use comes from ancient China, although there is evidence of its earlier utilization in Europe and Asia. In the 19th century, European practitioners started to employ cannabis extracts to treat tetanus, convulsions, and mental diseases and, in 1851, cannabis made its appearance in the Pharmacopoeia of the United States as an analgesic, hypnotic and anticonvulsant. Read More

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January 2021

Aspects associated with sexualised drug use among gay men and other men who have sex with men: a cross-sectional study from the Latin America MSM Internet Survey 2018 - Chile.

Sex Health 2020 Dec;17(6):493-502

PhD Epidemiology Program, School of Public Health, University of Chile, Av. Independencia 939, Santiago 8380000, Chile; and Corresponding author. Email:

Background Sexualised drug use has attracted interest due to the role it could play in increasing exposure to the transmission of HIV and other sexually transmissible infections. It also carries risks inherent to substance use and may influence psychosocial factors. This study characterised sexualised drug use among Latin America MSM Internet Survey (LAMIS) respondents in Chile, in order to identify aspects associated with the phenomenon. Read More

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December 2020

Substance Use, Risky Sex, and Peer Interactions Predict Sexual Assault Among College Women: An Ecological Momentary Assessment (EMA) Study.

J Interpers Violence 2020 Sep 24:886260520958720. Epub 2020 Sep 24.

University of Colorado Boulder, CO, United States.

Sexual assault is an unfortunately common experience among women in college campuses. This study used ecological momentary assessment (EMA) to gain a better understanding of the contextual determinants of sexual assault among college women. EMA reports inquired about sexual assault experiences, risky sex (sex without a condom and regretted hookups), and substance use (alcohol and cannabis use), as well as what activities participants were engaged in (e. Read More

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September 2020

Fungal Pathogens Affecting the Production and Quality of Medical Cannabis in Israel.

Plants (Basel) 2020 Jul 13;9(7). Epub 2020 Jul 13.

Department of Plant Pathology and Weed Research, ARO, The Volcani Center, Rishon LeZion, IL 7505101, Israel.

The use of and research on medical cannabis (MC) is becoming more common, yet there are still many challenges regarding plant diseases of this crop. For example, there is a lack of formal and professional knowledge regarding fungi that infect MC plants, and practical and effective methods for managing the casual agents of disease are limited. The purpose of this study was to identify foliar, stem, and soilborne pathogens affecting MC under commercial cultivation in Israel. Read More

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A Taxonomy of Consumers' Perspectives on the Function of Cannabis in Their Lives: A Qualitative Study in WA State, USA.

J Psychoactive Drugs 2020 Nov-Dec;52(5):393-400. Epub 2020 Jun 5.

Alcohol and Drug Abuse Institute- ADAI, University of Washington , Seattle, WA, USA.

US state-level policy often divides legal cannabis use into medical and recreational categories. However, research suggests medical and non-medical cannabis consumption often overlaps and consumers' relationship with cannabis may change. This study aimed to understand cannabis consumption from the perspective of consumers. Read More

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Human olfactory detection of packaged cannabis.

Sci Justice 2020 03 22;60(2):169-172. Epub 2019 Nov 22.

Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA. Electronic address:

Olfactory detection of cannabis aroma by police officers can be the basis for warrantless searches of motor vehicles in many jurisdictions in the United States. The odor source in these cases is often dried cannabis flower contained in various casual wrappings as well as in more elaborate packaging. Here we investigate whether packaging format alters the detectability of the cannabis. Read More

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The Dark Web and cannabis use in the United States: Evidence from a big data research design.

Int J Drug Policy 2020 02 13;76:102627. Epub 2019 Dec 13.

Skidmore College, United States.

Background: Cannabis is one of the most commonly sold drugs on cryptomarkets. Because of the anonymity-granting functions of Tor, no study has traced the within-country effect of the Dark Web on cannabis consumption patterns. This article uses a big data research design to examine the association between revealed interest in the Dark Web and self-reported cannabis use within US states from 2011 when Silk Road launched to 2015 when Operation Onymous shuttered nine markets. Read More

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February 2020

Onset of regular cannabis use and adult sleep duration: Genetic variation and the implications of a predictive relationship.

Drug Alcohol Depend 2019 11 30;204:107517. Epub 2019 Aug 30.

Institute for Behavioral Genetics, University of Colorado, Boulder, East Campus, 1480 30th Street, Boulder, CO 80309, United States; Department of Psychology and Neuroscience, University of Colorado, Boulder, Muenzinger Psychology Building, 1905 Colorado Ave, Boulder, CO 80309, United States.

Background: Limited evidence suggests that early cannabis use is associated with sleep problems. Research is needed to understand the developmental impact of early regular cannabis use on later adult sleep duration.

Methods: In a sample of 1656 adult twins (56% female, Mean age = 25. Read More

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November 2019

Sex Without Contraceptives in a Multicenter Study of Adolescent Emergency Department Patients.

Acad Emerg Med 2020 04 22;27(4):283-290. Epub 2019 Nov 22.

Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI.

Objectives: In the United States, rates of teenage pregnancy and sexually transmitted infections (STIs) remain exceptionally high, and racial and ethnic disparities persist. Emergency departments (EDs) care for over 19 million adolescents each year, the majority being minority and low socioeconomic status. Single-center studies demonstrate infrequent use of contraceptives among adolescent ED patients and an association between risky sex and behaviors such as alcohol and drug use; however, no multicenter ED data exist. Read More

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The effects of sex and residual cannabis use on emotion processing: An event-related potential study.

Exp Clin Psychopharmacol 2019 Aug 17;27(4):318-325. Epub 2019 Jun 17.

Department of Psychology.

Cannabis use has been shown to affect processing of emotional facial expressions as measured by the P1 and P3 event-related potential (ERP) components. These components have been shown to be related to emotion processing in particular attention to emotion. Previous research also indicates that there are sex differences in how cannabis effects males and females as well as how they process emotion. Read More

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Positive and Negative Effects of Cannabis and Cannabinoids on Health.

Clin Pharmacol Ther 2019 05 12;105(5):1139-1147. Epub 2019 Mar 12.

Department of Behavioral Science, Ariel University, Science Park, Ariel, Israel.

Cannabis is the most popular illicit drug in the Western world. Repeated cannabis use has been associated with short- and long-term side effects, including respiratory and cardiovascular disorders, cognitive alterations, psychosis, schizophrenia, and mood disorders. However, casual relations between cannabis use and these adverse effects are missing. Read More

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Several clock genes polymorphisms are meaningful risk factors in the development and severity of cannabis addiction.

Chronobiol Int 2019 01 11;36(1):122-134. Epub 2018 Dec 11.

a Dpt Biochimie et Oncogénétique, plate-forme Oncomolpath/INCa - F94800 , AP-HP, GH Paris-Sud, Hôpital Paul Brousse , Villejuif , France.

Circadian rhythms have been related to psychiatric diseases and regulation of dopaminergic transmission, especially in substance abusers. The relationship between them remained enigmatic and no data on the role of clock genes on cannabis dependence have been documented. We aimed at exploring the role of clock gene genotypes as potential predisposing factor to cannabis addiction, using a high throughput mass spectrometry methodology that enables the large-scale analysis of the known relevant polymorphisms of the clock genes. Read More

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January 2019

The Role of Gay-Related Stigma in HIV-Risk Behavior Among Sexual Minority Men in Europe.

AIDS Behav 2019 Mar;23(3):684-694

Department of Social and Behavioral Sciences, Yale School of Public Health, New Haven, CT, USA.

Sexual orientation stigma stems from discriminatory social contexts and may ultimately impact the behavioral health of stigmatized individuals through stress-related pathways. Sexual minority stigma is of particular concern in Europe given the diversity of social contexts on the continent and sexual minority men's rapidly increasing risk of HIV infection, especially in Central and Eastern Europe, potentially rooted in stigma. This study assesses whether stigma in the ubiquitous social contexts surrounding sexual minority men (e. Read More

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Does being drunk or high cause HIV sexual risk behavior? A systematic review of drug administration studies.

Pharmacol Biochem Behav 2018 01 24;164:125-138. Epub 2017 Aug 24.

Behavioral Pharmacology Research Unit, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, 5510 Nathan Shock Drive, Baltimore, MD 21224, United States.

HIV sexual risk behavior is broadly associated with substance use. Yet critical questions remain regarding the potential causal link between substance use (e.g. Read More

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January 2018

Illicit drug use among New Zealand gay and bisexual men: Prevalence and association with sexual health behaviours.

Drug Alcohol Rev 2018 02 25;37(2):180-187. Epub 2017 Apr 25.

New Zealand AIDS Foundation, Auckland, New Zealand.

Introduction And Aims: Data are lacking on drug use among gay and bisexual men (GBM) in New Zealand. We establish a baseline estimate of drug use and investigate associations with sexual health and HIV risk.

Design And Methods: A cross-sectional survey of GBM was conducted in gay community settings and online. Read More

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February 2018

Individual prolactin reactivity modulates response of nucleus accumbens to erotic stimuli during acute cannabis intoxication: an fMRI pilot study.

Psychopharmacology (Berl) 2017 Jul 12;234(13):1933-1943. Epub 2017 Apr 12.

National Institute of Mental Health, Topolova 748, 250 67, Klecany, Czech Republic.

Rationale: Self-report studies indicate that cannabis could increase sexual desire in some users. We hypothesized that intoxication increases activation of brain areas responsive to visual erotica, which could be useful in the treatment of hypoactive sexual desire disorder, a condition marked by a lack of sexual desire.

Objectives: The aim of this study is to assess the aphrodisiacal properties of cannabis. Read More

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The relationship between cannabis use and measures of anxiety and depression in a sample of college campus cannabis users and non-users post state legalization in Colorado.

PeerJ 2016 8;4:e2782. Epub 2016 Dec 8.

Department of Psychology, Colorado State University , Fort Collins , CO , United States.

As part of an ongoing research program into the relationship between cannabis use and emotion processing, participants were assessed on their level of cannabis exposure using the Recreational Cannabis Use Examination, a measure developed specifically to assess cannabis use in Colorado post state legalization. Three groups were created based on self-reported use: a control group who have never used, a casual user group and a chronic user group. Each participant also completed two measures of mood assessment, the Center for Epidemiologic Studies Depression Scale and the State-Trait Anxiety Inventory. Read More

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December 2016

Individual and population level impacts of illicit drug use, sexual risk behaviours on sexually transmitted infections among young Aboriginal and Torres Strait Islander people: results from the GOANNA survey.

BMC Public Health 2016 07 19;16:600. Epub 2016 Jul 19.

Kirby Institute, University of New South Wales, Kensington, 2052, New South Wales, Australia.

Background: Sexually transmitted infections (STIs) have been increasing among Australian Indigenous young people for over two decades. Little is known about the association between alcohol and other drug use and sexual risk behaviours and diagnosis of STIs among this population.

Methods: A cross-sectional, community based self-administered survey was conducted among young Aboriginal people aged 16-29 years of age. Read More

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Sexual behaviour, drug use and health service use by young Noongar people in Western Australia: a snapshot.

Sex Health 2015 Jun;12(3):188-93

National Drug Research Institute, Curtin University, GPO Box U1987, Perth, WA 6845, Australia.

Unlabelled: Background This study aimed to describe sexual health behaviour, alcohol and other drug use, and health service use among young Noongar people in the south-west of Western Australia.

Method: A cross-sectional survey was undertaken among a sample of 244 Noongar people aged 16-30 years.

Results: The sample was more disadvantaged than the wider Noongar population. Read More

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Self-reported recent testing and diagnosis for sexually transmitted infections among regular ecstasy users in Australia, 2011-2012.

Drug Alcohol Rev 2014 Mar 12;33(2):211-4. Epub 2013 Dec 12.

Centre for Population Health, Burnet Institute, Melbourne, Australia.

Background: Previous studies suggest that people who consume alcohol and drugs are at increased risk of sexually transmitted infections (STI). We examined the prevalence and predictors of self-reported STI testing and diagnosis among self-reported regular ecstasy users (REU).

Methods: Nine hundred and fifty-five REUs from the 2011 and 2012 Ecstasy and Related Drugs Reporting System were included in the analysis. Read More

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Cannabis use and violent behaviour: a psychiatric patients cohort study in Southern Italy.

Riv Psichiatr 2013 Jan-Feb;48(1):43-50

Sezione di Criminologia e Psichiatria Forense, Università di Bari, Italy.

Unlabelled: An ample volume of research evidence supports the conclusion that drug use/abuse is correlated with violent behavior. Some studies have shown that co-morbidity also appears to be predictive of violent behavior. The research evidence indicates gender differences, while socio-economic and familial factors play a role, too. Read More

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Foreign travel associated with increased sexual risk-taking, alcohol and drug use among UK university students: a cohort study.

Int J STD AIDS 2010 Jan 20;21(1):46-51. Epub 2009 Nov 20.

School of Medicine, Health Policy and Practice, University of East Anglia, Norwich NR4 7TJ, UK.

We conducted a prospective cohort study to assess sexual behaviour of students at a British University during the summer break, to explore the role of foreign travel as a risk factor of sexually transmitted infections acquisition and to determine characteristics associated with casual sex. We found that those who travelled abroad were more likely to use alcohol (RR 1.59, 95% CI 1. Read More

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January 2010

Politomic Erased Respondent Method (PERM) for the joint assessment of two dichotomous characteristics, with an application to the polydrug use of cocaine and cannabis by simulation.

F Taggi

Ann Ig 2007 Sep-Oct;19(5):483-96

Environment and Trauma Division, Department of Environment and Primary Prevention, Istituto Superiore di Sanità, Rome, Italy.

The recently introduced ERM (Erased Respondent Method) allows the prevalence of a characteristic to be estimated in a certain population by using the results obtained from groups of subjects rather than the data from single subjects. In the case of qualitative analytical surveys, the method allows the said prevalence to be estimated on the basis of the results derived from the analyses of pools of single samples. In this way, the knowledge of the individual data is not longer needed for the purpose of the estimates. Read More

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February 2008

Marijuana as therapy for people living with HIV/AIDS: social and health aspects.

AIDS Care 2007 Feb;19(2):295-301

National Centre in HIV Social Research, University of New South Wales, Sydney, Australia.

Therapeutic use of marijuana has emerged as an important issue for people living with cancer, HIV/AIDS and multiple sclerosis. This paper examines therapeutic use of marijuana in the Positive Health cohort study, a longitudinal cohort study of men and women living with HIV/AIDS in NSW and Victoria, Australia. Factors that distinguish therapeutic use of marijuana from recreational use were assessed by comparisons on a range of social and health-related variables. Read More

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February 2007

Alcohol use and risk taking among regular ecstasy users.

Subst Use Misuse 2006 ;41(8):1095-109

National Drug and Alcohol Research Centre, University of NSW, Sydney, New South Wales, Australia.

We examine alcohol use in conjunction with ecstasy use and risk-taking behaviors among regular ecstasy users in every capital city in Australia. Data on drug use and risks were collected in 2004 from a national sample of 852 regular ecstasy users (persons who had used ecstasy at least monthly in the preceding 6 months). Users were grouped according to their typical alcohol use when using ecstasy: no use, consumption of between one and five standard drinks, and consumption of more than five drinks ("binge" alcohol use). Read More

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November 2006

Cannabis use prior to first onset psychosis predicts spared neurocognition at 10-year follow-up.

Schizophr Res 2005 Jun;75(1):135-7

Department of Psychology and Speech Pathology, Manchester Metropolitan University, Elizabeth Gaskell Building, Hathersage Road, M13 0JA, UK.

A priori cannabis use was recorded at index admission for 112 participants in the Manchester first-episode psychosis cohort. 69 of the 100 surviving (mainly schizophrenia) patients were followed up 10-12 years later and assessed on a battery of clinical, behavioural and neurocognitive measures. Individuals who had not used cannabis before the first episode of illness were generally indistinguishable from cannabis users at follow-up, except that the latter group evidenced a marked 'sparing' of neurocognitive functions. Read More

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