Acute and chronic effects of cannabinoids on effort-related decision-making and reward learning: an evaluation of the cannabis ‘amotivational’ hypotheses Will Lawn, Tom P. Freeman, Rebecca A. Pope, Alyssa Joye, Lisa Harvey, Chandni Hindocha, Claire Mokrysz, Abigail Moss, Matthew B. Wall, Michael A.P. Bloomfield, Ravi K. Das, Celia J.A. Morgan, David J. Nutt, H. Valerie Curran Psychopharmacology, 2016, 233, 3537–3552 Doi : 10.1007/s00213-016-4383-x Abstract Rationale : Anecdotally, both acute and chronic cannabis use have been associated with apathy, amotivation, and other reward processing deficits. To date, empirical support for these effects is limited, and no previous studies have assessed both acute effects of Δ-9-tetrahydrocannabinol (THC) and [...]
Lire la suiteCannabinoid and Terpenoid Doses are Associated with Adult ADHD Status of Medical Cannabis Patients Jeffrey Y. Hergenrather, Joshua Aviram, Yelena Vysotski, Salvatore Campisi-Pinto, Gil M. Lewitus and David Meiri. Rambam Maimonides Medical Journal, 2020, 11, (1), e0001 Doi : 10.5041/RMMJ.10384 Methods : Participants were adult patients licensed for medical cannabis (MC) treatment who also reported a diagnosis of ADHD by a physician. Data on demographics, ADHD, sleep, and anxiety were collected using self-report questionnaires. Data collected on MC treatment included administration route, cultivator, cultivar name, and monthly dose. Comparison statistics were used to evaluate differences in reported parameters between low (20–30 g, n=18) and [...]
Lire la suiteIs There a Role for Cannabis in Mental Health Disorders ? Pauline Anderson & Charles P. Vega, Medscape, CME / ABIM MOC / CE Released : 12/13/2019 https://www.medscape.org/viewarticle/922367 Clinical Context The most common indication for the use of medicinal cannabis is pain, although the results of studies of cannabis products for chronic pain are mixed. Häuser and colleagues performed a review of systematic reviews of cannabis for chronic pain conditions, and their results were published in the October 15, 2017 issue of European Journal of Pain.[1] Reviewers evaluated 10 systematic reviews of cannabis for pain. Methodological quality was high in 4 of the reviews. There was [...]
Lire la suiteHarmful Effects of Smoking Cannabis : A Cerebrovascular and Neurological Perspective Sabrina Rahman Archie and Luca Cucullo Frontiers in Pharmacology, 2019, 10, Article 1481. doi : 10.3389/fphar.2019.01481 Apart from being used as a medicine, cannabis or marijuana is the most widely abused recreational drug all over the world. The legalization and decriminalization of cannabis in Canada and various states of USA may be the underlying reason of the widespread popularity of it among young population. Various studies have reported about the relationship between cannabis use and different detrimental effects like cardiovascular, cerebrovascular, and neurological complications among different age groups. Specifically, the young population is [...]
Lire la suiteCannabis use in pediatric cancer patients : what are they reading ? A review of the online literature. YEUNG M., WROOT H., CHARNOCK C., FORBES C., LAFAY-COUSIN L., SCHULTE F. Support Care Cancer, 2020. doi: 10.1007/s00520-020-05306-2 Abstract BACKGROUND: Recent changes to the legal status of marijuana in Canada warrant a review of the information that patients and families are accessing online regarding the role of cannabis in cancer. The aims of the current research were to identify the quality of literature available online as well as the themes, and opinion (i.e., pro-, neutral, or anti-cannabis) of online articles. METHODS: Searches were conducted using three primary search engines: Google, [...]
Lire la suiteCannabis Exposure is Associated With a Lower Likelihood of Neurocognitive Impairment in People Living With HIV Caitlin Wei-Ming Watson, Emily W. Paolillo, Erin E. Morgan, Anya Umlauf, Erin E. Sundermann, Ronald J. Ellis, MD, Scott Letendre, Thomas D. Marcotte, Robert K. Heaton, and Igor Grant Journal of Acquired Immune Deficiency Syndromes, 2020, 83, (1), 56–64. Doi : 10.1097/QAI.0000000000002211 Background : Aging and HIV have adverse effects on the central nervous system, including increased inflammation and neural injury and confer risk of neurocognitive impairment (NCI). Previous research suggests the nonacute neurocognitive effects of cannabis in the general population are adverse or null. However, in the [...]
Lire la suiteMarijuana use and coronary artery disease in young adults Jeremy R. Burt, Ali M. Agha, Basel Yacoub, Aryan Zahergivar, Julie Pepe PLoS ONE, 2020, 15, (1), e0228326, 1-8. Doi : 10.1371/journal.pone.0228326 Abstract Background Marijuana is the most popular drug of abuse in the United States. The association between its use and coronary artery disease has not yet been fully elucidated. This study aims to determine the frequency of coronary artery disease among young to middle aged adults presenting with chest pain who currently use marijuana as compared to nonusers. Methods In this retrospective study, 1,420 patients with chest pain or angina equivalent were studied. Only men between 18 [...]
Lire la suiteSécurité routière & stupéfiants : Pour des tests de dépistage comportementaux Lettre ouverte aux députés et au gouvernement Le collectif Police Contre la Prohibition Paris, le 11 février 2020 Sur la route, tout comportement susceptible dexposer la sécurité dautrui, des passagers de son véhicule, et de soi-même, constitue une infraction prévue par le Code de la route. Parmi ces infractions sévèrement punies : la consommation de substances psychoactives. La première concernée est lalcool. La loi prévoit une tolérance non nulle et mesurable, au-delà de laquelle le conducteur est réputé avoir conduit sous l'empire d'un état alcoolique, son état de conscience étant altéré et incompatible avec [...]
Lire la suiteInvestigation of Sex-Dependent Effects of Cannabis in Daily Cannabis Smokers Ziva D. Cooper and Margaret Haney Drug & Alcohol Dependence, 2014 March 1, 136, 85–91. doi :10.1016/j.drugalcdep.2013.12.013 Abstract Background—Women exhibit an accelerated progression from first cannabis use to cannabis use disorder (CUD) and show pronounced negative clinical issues related to CUD relative to men. Whether sex-dependent differences in cannabis’ direct effects contribute to the heightened risk in women is unknown. This analysis directly compared cannabis’ abuse-related subjective effects in men and women matched for current cannabis use. Methods—Data from four double-blind, within-subject studies measuring the effects of active cannabis (3.27–5.50% THC, depending on study) relative to [...]
Lire la suiteTo: "com@circ-lyon.fr" <com@circ-lyon.fr> Subject: PÉTITION AUTOMOBILISTES EN COLÈRE Bonjour, Nous vous informons que le CIRC Lyon a lancé une pétition pour dénoncer l'abus des pouvoirs publics qui utilisent l'alibi de la sécurité routière pour faire la chasse aux usagers de cannabis et donc incriminer un grand nombre d'automobilistes, alors que le délit n'est pas toujours constitué. Nous vous invitons à la découvrir sur Change.org : https://www.change.org/p/jacques-toubon-automobilistes-en-col%C3%A8re?recruiter=110925050&utm_source=share_petition&utm_medium=facebook&utm_campaign=share_petition&utm_term=Search%3ESAP%3EFR%3EBrand%3EGeneral%3EExact&recruited_by_id=2908f9bd-73f5-4c15-8acf-616038e0eb7b&utm_content=starter_fb_share_content_fr-fr%3Av2 Nous vous invitons également à la signer et à la partager le plus possible autour de vous. La pétition est accessible en ligne sur le site du CIRC Lyon : https://www.circ-lyon.fr/p%C3%A9tition-tests-salivaires/ Pétition tests salivaires PÉTITION AUTOMOBILISTES EN COLÈRE !!! La loi sur l’usage [...]
Lire la suite