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https://www.readbyqxmd.com/read/28434182/recent-trends-in-alcohol-and-other-drug-use-among-police-detainees-in-new-zealand-2010-2015
#1
Chris Wilkins, Jitesh Prasad, Karl Parker, Marta Rychert, Helen Moewaka Barnes
BACKGROUND: New Zealand has unusual patterns of recreational substance use by international standards including low levels of cocaine and heroin use, and high methamphetamine use. AIMS: This paper examines recent trends in alcohol and other drug use among police detainees in New Zealand over the past six years. METHOD: The paper utilises data from the New Zealand Arrestee Drug Use Monitoring (NZ-ADUM) study. NZ-ADUM interviewed approximately 800 police detainees each year at four central city police watch houses (i...
April 23, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28433767/temporal-dynamics-of-human-excreted-pollutants-in-wastewater-treatment-plant-influents-toward-a-better-knowledge-of-mass-load-fluctuations
#2
Thomas Thiebault, Laëtitia Fougère, Emilie Destandau, Maxime Réty, Jérémy Jacob
The occurrence of 25 drug target residues (illicit drugs or pharmaceutically active compounds) was investigated during 85 consecutive days in the influents of a wastewater treatment plant in the Region Centre-Val de Loire, France. This long tracking period allowed a better understanding of the patterns affecting the occurrence of this type of contaminants. Among them, 2 were never detected (i.e. heroin and amphetamine). Concerning illicit drugs two patterns were found. Cocaine and ecstasy median loads varied considerably between weekdays and weekend days (i...
April 20, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28432939/the-association-of-psychiatric-comorbidity-with-treatment-completion-among-clients-admitted-to-substance-use-treatment-programs-in-a-u-s-national-sample
#3
Noa Krawczyk, Kenneth A Feder, Brendan Saloner, Rosa M Crum, Marc Kealhofer, Ramin Mojtabai
BACKGROUND: Psychiatric disorders are highly comorbid with substance use disorders and play an important role in their course and recovery. However, the impact of comorbidity on treatment outcomes has not been examined in a U.S. national sample. This study explores the impact of psychiatric comorbidity on treatment completion among individuals admitted to publicly funded substance use treatment facilities across the United States. METHODS: Using data on first-time treatment episodes in the U...
April 19, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28432636/what-is-the-current-knowledge-about-the-cardiovascular-risk-for-users-of-cannabis-based-products-a-systematic-review
#4
REVIEW
Emilie Jouanjus, Valentin Raymond, Maryse Lapeyre-Mestre, Valérie Wolff
PURPOSE OF REVIEW: The purpose of the study was to examine the published evidence on the cardiovascular risk related to the use of cannabis-based products by performing a systematic review of recent literature. RECENT FINDINGS: The World Health Organization (WHO) emphasizes that cannabis use represents a risky behavior as it may lead to many adverse effects, and in particular, cardiovascular effects. A systematic review of articles published between January 1, 2011 and May 31, 2016 was performed in agreement with the PRISMA statement...
June 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28431313/raman-spectroscopy-for-the-characterization-of-different-fractions-of-hemp-essential-oil-extracted-at-130%C3%A2-c-using-steam-distillation-method
#5
Muhammad Asif Hanif, Haq Nawaz, Saima Naz, Rubina Mukhtar, Nosheen Rashid, Ijaz Ahmad Bhatti, Muhammad Saleem
In this study, Raman spectroscopy along with Principal Component Analysis (PCA) is used for the characterization of pure essential oil (pure EO) isolated from the leaves of the Hemp (Cannabis sativa L.,) as well as its different fractions obtained by fractional distillation process. Raman spectra of pure Hemp essential oil and its different fractions show characteristic key bands of main volatile terpenes and terpenoids, which significantly differentiate them from each other. These bands provide information about the chemical composition of sample under investigation and hence can be used as Raman spectral markers for the qualitative monitoring of the pure EO and different fractions containing different active compounds...
April 1, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28431292/cannabis-and-cue-induced-craving-in-cocaine-dependent-individuals-a-pilot-study
#6
K Giasson-Gariépy, S Potvin, M Ghabrash, J Bruneau, D Jutras-Aswad
BACKGROUND: Cannabis consumption is common among cocaine users; however, little is known about its effect on cocaine craving. The objective of this study was to assess whether cannabis co-use is associated with lower cue-induced cocaine craving in non-treatment-seeking cocaine-dependent individuals. METHODS: Data from twenty-eight cocaine-dependent men were analyzed in this pilot study. Cocaine-dependent subjects (n=12) were compared with cocaine-dependent subjects who also abused or were dependent on cannabis (n=16)...
March 30, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28430385/significant-reductions-in-alcohol-use-after-hepatitis-c-treatment-results-from-the-french-anrs-co13-hepavih-cohort
#7
Rod Knight, Perrine Roux, Antoine Vilotitch, Fabienne Marcellin, Eric Rosenthal, Laure Esterle, François Boué, David Rey, Lionel Piroth, Stéphanie Dominguez, Philippe Sogni, Dominique Salmon-Ceron, Bruno Spire, Maria Patrizia Carrieri
BACKGROUND AND AIMS: Few data exist on changes to substance use patterns before and after hepatitis C virus (HCV) treatment. We used longitudinal data of HIV-HCV co-infected individuals to examine whether receiving Peg-interferon (Peg-IFN)-based therapy irrespective of HCV clearance could modify tobacco, cannabis and alcohol use. DESIGN: A prospective cohort of HIV-HCV co-infected individuals was enrolled from 2006. Participants' clinical data were retrieved from medical records and socio-demographic and behavioral characteristics were collected by yearly self-administered questionnaires...
April 21, 2017: Addiction
https://www.readbyqxmd.com/read/28428980/gram-years-a-method-to-standardize-and-quantify-lifetime-cannabis-consumption
#8
Reagan R Wetherill, Nathan Hager, Emily Guthier, Teresa R Franklin
No abstract text is available yet for this article.
September 2016: Cannabis and Cannabinoid Research
https://www.readbyqxmd.com/read/28428375/a-new-neglected-crop-cannabis
#9
Elizabeth Pennisi
No abstract text is available yet for this article.
April 21, 2017: Science
https://www.readbyqxmd.com/read/28427930/the-relative-prevalence-of-schizophrenia-among-cannabis-and-cocaine-users-attending-addiction-services
#10
Nicolás Libuy, Valeria de Angel, Carlos Ibáñez, Robin M Murray, Adrian P Mundt
BACKGROUND: Cannabis and cocaine are the most common illicit drugs for which people are treated in addiction services in Latin America. Much research has suggested that the use of cannabis increases the risk of schizophrenia; there is less evidence concerning cocaine. The aim of the present study was to establish the relative prevalence of schizophrenia in people treated for cannabis use and cocaine use disorders in Chile. METHODS: A sample of 22,615 people treated for illicit drug use disorders was obtained from a national registry of addiction service users in Chile...
April 18, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28427301/corneal-endothelial-changes-in-long-term-cannabinoid-users
#11
Nihat Polat, Birgul Cumurcu, Tongabay Cumurcu, İlknur Tuncer
PURPOSE: The aim of this study was to evaluate the effects of long-term cannabis use on the corneal endothelial cells with the specular microscopy. METHODS: The study enrolled 28 eyes of 28 patients diagnosed with cannabinoid use disorder. The cannabinoid group was selected among patients who had been using the substance for 3 days or more per week over the past 1 year. 32 eyes of 32 age- and sex-matched healthy individuals enrolled as control group in the study...
April 20, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28425102/fatal-overdose-of-gamma-hydroxybutyrate-acid-after-ingestion-of-1-4-butanediol
#12
Erwan Le Garff, Vadim Mesli, Raphael Cornez, Christophe Demarly, Gilles Tournel, Valery Hédouin
We report a case of fatal intoxication from 1,4-butanediol (1,4-BD), which was ingested by a young and "naïve" gamma-hydroxybutyrate (GHB) consumer during a party with the co-ingestion of alcohol, cannabis, and methylene-dioxy-methamphetamine. The following drug concentrations were found using gas chromatography coupled with mass spectrometry on autopsy samples and on a cup and a glass found at the scene: 20,350 mg/L (bottle) for 1,4-BD; 1020 mg/L (femoral blood), 3380 mg/L (cardiac blood), 47,280 mg/L (gastric content), and 570 mg/L (vitreous humor) for GHB...
April 20, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28424834/effect-of-prior-foot-shock-stress-and-%C3%AE-9-tetrahydrocannabinol-cannabidiolic-acid-and-cannabidiol-on-anxiety-like-responding-in-the-light-dark-emergence-test-in-rats
#13
Erin M Rock, Cheryl L Limebeer, Gavin N Petrie, Lauren A Williams, Raphael Mechoulam, Linda A Parker
RATIONALE: Cannabis is commonly used by humans to relieve stress. OBJECTIVES AND METHODS: Here, we evaluate the potential of intraperitoneally (i.p.) administered Δ(9)-tetrahydrocannabiol (THC) and cannabidiolic acid (CBDA, the precursor of cannabidiol [CBD]) to produce dose-dependent effects on anxiety-like responding in the light-dark (LD) emergence test of anxiety-like responding in rats, when administered acutely or chronically (21 days). As well, we evaluate the potential of THC, CBDA, and CBD to reduce anxiogenic responding produced by foot shock (FS) stress 24 h prior to the LD test...
April 20, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28424833/cannabis-related-hippocampal-volumetric-abnormalities-specific-to-subregions-in-dependent-users
#14
Yann Chye, Chao Suo, Murat Yücel, Lauren den Ouden, Nadia Solowij, Valentina Lorenzetti
RATIONALE: Cannabis use is associated with neuroanatomical alterations in the hippocampus. While the hippocampus is composed of multiple subregions, their differential vulnerability to cannabis dependence remains unknown. OBJECTIVES: The objective of the study is to investigate gray matter alteration in each of the hippocampal subregions (presubiculum, subiculum, cornu ammonis (CA) subfields CA1-4, and dentate gyrus (DG)) as associated with cannabis use and dependence...
April 19, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28424105/specific-impact-of-stimulant-alcohol-and-cannabis-use-disorders-on-first-episode-psychosis-2-year-functional-and-symptomatic-outcomes
#15
C Ouellet-Plamondon, A Abdel-Baki, É Salvat, S Potvin
BACKGROUND: Many studies have concluded that cannabis use disorder (CUD) negatively influences outcomes in first-episode psychosis (FEP). However, few have taken into account the impact of concurrent misuse of other substances. METHODS: This 2-year, prospective, longitudinal study of FEP patients, aged between 18 and 30 years, admitted to early intervention programs in Montreal, Quebec, Canada, examined the specific influence of different substance use disorders (SUD) (alcohol, cannabis, cocaine, amphetamines) on service utilization, symptomatic and functional outcomes in FEP...
April 20, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28422803/marijuana-use-and-self-reported-quality-of-eyesight
#16
Obinna F Akano
PURPOSE: There is increasing use of marijuana among young adults and more states in the United States are legalizing medical marijuana use. A number of studies have revealed both the beneficial and harmful effects of marijuana to the human system. Despite some beneficial effects, studies have shown marijuana to have a lot of deleterious effects on the visual system, which subsequently reduces the quality of eyesight. The aim of this study was to investigate if heavy marijuana smoking is associated with a poor quality of eyesight compared with light/no use of marijuana...
May 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28422145/compromised-external-validity-federally-produced-cannabis-does-not-reflect-legal-markets
#17
Daniela Vergara, L Cinnamon Bidwell, Reggie Gaudino, Anthony Torres, Gary Du, Travis C Ruthenburg, Kymron deCesare, Donald P Land, Kent E Hutchison, Nolan C Kane
As the most widely used illicit drug worldwide, and as a source of numerous under-studied pharmacologically-active compounds, a precise understanding of variability in psychological and physiological effects of Cannabis varieties is essential. The National Institute on Drug Abuse (NIDA) is designated as the sole legal producer of Cannabis for use in US research studies. We sought to compare the chemical profiles of Cannabis varieties that are available to consumers in states that have state-legalized use versus what is available to researchers interested in studying the plant and its effects...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28421693/the-health-and-social-effects-of-nonmedical-cannabis-use-wayne-hall-maria-renstr%C3%A3-m-vladimir-poznyak-eds-geneva-world-health-organization-2016-isbn-978-924-1510240-pdf-62-pp-available-free-online-at-http-www-who-int-substance_abuse-publications-cannabis-en
#18
https://www.readbyqxmd.com/read/28419656/cannabis-psychosis-and-schizophrenia-unravelling-a-complex-interaction
#19
Ian Hamilton
The relationship between cannabis and psychosis and schizophrenia has tested the field of addiction for decades, and in some ways serves as measure of our ability to provide a credible contribution to public health. As cannabis is used widely, many people are interested in the risks the drug poses to mental health. This paper focuses upon a seminal study examining this, the trajectory of subsequent research findings and what this has meant for understanding and communicating risk factor information. These studies provided evidence of a dose-response relationship between cannabis and psychosis, and that for those individuals with schizophrenia cannabis exacerbated their symptoms...
April 16, 2017: Addiction
https://www.readbyqxmd.com/read/28418321/s100a10-identified-in-a-genome-wide-gene-%C3%A3-cannabis-dependence-interaction-analysis-of-risky-sexual-behaviours
#20
Renato Polimanti, Shashwath A Meda, Godfrey D Pearlson, Hongyu Zhao, Richard Sherva, Lindsay A Farrer, Henry R Kranzler, Joel Gelernter
BACKGROUND: We conducted a genome-wide gene × environment interaction analysis to identify genetic variants that interact with cannabis dependence (CaD) in influencing risky sexual behaviours (RSB). METHODS: Our sample included cannabis-exposed and sexually experienced African-American and European-American participants. A DSM-IV CaD diagnosis and RSB were evaluated using the Semi-Structured Assessment for Drug Dependence and Alcoholism. We analyzed RSBs as a score that takes into account experiences of unprotected sex and multiple sexual partners...
April 13, 2017: Journal of Psychiatry & Neuroscience: JPN
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