The Association between Cannabis Product Characteristics and Symptom Relief Sarah S. STITH, Jacob M. VIGIL, Franco BROCKELMAN, Keenan KEELING, Branden HALL Scientific Reports - Nature, 2019, 9, 2712. Published online 2019 Feb 25. doi: 10.1038/s41598-019-39462-1 PMCID: PMC6389973 PMID: 30804402 Abstract Federal barriers and logistical challenges have hindered measurement of the real time effects from the types of cannabis products used medically by millions of patients in vivo. Between 06/06/2016 and 03/05/2018, 3,341 people completed 19,910 self- administrated cannabis sessions using the mobile device software, ReleafApp to record: type of cannabis product (dried whole natural Cannabis flower, concentrate, edible, tincture, topical), combustion method (joint, pipe, vaporization), Cannabis [...]
Lire la suiteCommentaires (Dr Christian Sueur) sur l'article : The contribution of cannabis use to variation in the incidence of psychotic disorder across Europe (EU-GEI) : a multicentre case-control study Marta Di Forti, et al., and the EU-GEI WP2 Group* www.thelancet.com/psychiatry, 2019 "Une nouvelle étude montre que les personnes qui consomment quotidiennement du cannabis fortement dosé en THC pourraient avoir cinq fois plus de risque de faire un épisode de psychose que celles qui n’en ont jamais pris. La consommation quotidienne de variétés fortes de cannabis serait responsable de cinq nouveaux cas de troubles mentaux sur dix, de type psychose, à Amsterdam et de trois [...]
Lire la suiteThe contribution of cannabis use to variation in the incidence of psychotic disorder across Europe (EU-GEI) : a multicentre case-control study Marta Di Forti, Diego Quattrone, Tom P Freeman, Giada Tripoli, Charlotte Gayer-Anderson, Harriet Quigley, Victoria Rodriguez, Hannah E Jongsma, Laura Ferraro, Caterina La Cascia, Daniele La Barbera, Ilaria Tarricone, Domenico Berardi, Andrei Szöke, Celso Arango, Andrea Tortelli, Eva Velthorst, Miguel Bernardo, Cristina Marta Del-Ben, Paulo Rossi Menezes, Jean-Paul Selten, Peter B Jones, James B Kirkbride, Bart PF Rutten, Lieuwe de Haan, Pak C Sham, Jim van Os, Cathryn M Lewis, Michael Lynskey, Craig Morgan, Robin M Murray, and the EU-GEI WP2 [...]
Lire la suiteCannabis and anxiety: a critical review of the evidence José Alexandre Crippa, Antonio Waldo Zuardi, Rocio Martin-Santos, Sagnik Bhattacharyya, Zerrin Atakan, Philip McGuire and Paolo Fusar-Poli Human Psychopharmacology Clinical and Experimental, 2009, 24, 515-523. Background : Anxiety reactions and panic attacks are the acute symptoms most frequently associated with cannabis use. Understanding the relationship between cannabis and anxiety may clarify the mechanism of action of cannabis and the pathophysiology of anxiety. Aims of the present study were to review the nature of the relationship between cannabis use and anxiety, as well as the possible clinical, diagnostic and causal implications. Method : Systematic review of the [...]
Lire la suiteCannabis use and mental health: risks and benefits Wayne HALL, · Eva HOCH, · Valentina LORENZETTI European Archives of Psychiatry and Clinical Neuroscience, february 2019 https://doi.org/10.1007/s00406-019-00986-2 © Springer-Verlag GmbH Germany, part of Springer Nature 2019 In public debates about cannabis policy, two competing claims are often made about how cannabis use may affect mental health. One is that cannabis use by young adults and vulnerable individuals across the lifespan can be a contributory cause of : a cannabis dependence syndrome; schizophreniform psychoses; anxiety and depressive disorders; acute and perhaps chronic cognitive impairment, and structural and functional changes in brain pathways implicated in reward, learning and [...]
Lire la suiteLes méta-analyses et le cannabis, ou la négation du savoir clinique 21 Septembre 2011 Dr. Christian Sueur, Psychiatre, praticien hospitalier http://tdme.free.fr/?p=2730#annot8 A l’ère des méta-analyses, la clinique psychiatrique bat de l’aile…., Ce que l’on peut lire aujourd’hui sur les « dangers du cannabis » fournit un exemple étonnant de cette perte du savoir clinique. Et pourtant, bien des « méta-analystes » qui parfois, n’ont jamais vu un patient, sans vergogne, « disent le vrai », et emportent l’opinion avec eux, opinion et journalistes qui se font l’écho de ses assertions, sans même émettre la moindre critique vis-à-vis de ces « chiffres » érigés en « [...]
Lire la suite