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Brain Anatomical Alterations in Young Cannabis Users: Is it All Hype? A Meta-Analysis of Structural Neuroimaging Studies

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The last two decades have seen a dramatic shift in cannabis legislation around the world. Cannabis products are now widely available and commercial production and use of phytocannabinoid products is rapidly growing. However, this growth is outpacing the research needed to elucidate the therapeutic efficacy of the myriad of chemical compounds found primarily in the flower of the female cannabis plant. This lack of research and corresponding regulation has resulted in processing methods, products, and terminology that are variable and confusing for consumers.

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Cannabidiol for psychosis: A review of 4 studies

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Authors: Sy Atezaz Saeed, MD, MS, and Kathryn E. Clary, BA Published in Current Psychiatry June 2020   Introduction There has been increasing interest in the medicinal use of cannabidiol…

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Primary gliosarcoma of the brain: radiologic and histopathologic features.

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Authors: Alfredo E. Romero-Rojas, Julio A. Diaz-Perez, Lina M. Ariza-Serrano, et al
The Neuroradiology Journal, December 2013
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Gliosarcoma is a rare central nervous system (CNS) neoplasm with biphasic glial and non-glial malignant components. Here we describe the radiologic and histopathologic features observed in five cases of primary gliosarcoma. The mean age at diagnosis in the studied patients was…

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Effects of Δ9-tetrahydrocannabinol administration on human encoding and recall memory function: a pharmacological FMRI study.

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Authors: Matthijs G. Bossong, Gerry Jager, Hendrika H. van Hell, Lineke Zuurman, et al
Journal of Cognitive Neuroscience, March 2012
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Deficits in memory function are an incapacitating aspect of various psychiatric and neurological disorders. Animal studies have recently provided strong evidence for involvement of the endocannabinoid (eCB) system in memory function. Neuropsychological studies in humans have s…

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Spontaneous regression of septum pellucidum/forniceal pilocytic astrocytomas–possible role of Cannabis inhalation.

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Authors: Mansoor Foroughi, Glenda Hendson, Michael A. Sargent, Paul Steinbok
Child’s Nervous System, DATE
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INTRODUCTION: Spontaneous regression of pilocytic astrocytoma after incomplete resection is well recognized, especially for cerebellar and optic pathway tumors, and tumors associated with Neurofibromatosis type-1 (NF1). The purpose of this report is to document spontaneous reg…

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Loss of striatal type 1 cannabinoid receptors is a key pathogenic factor in Huntington’s disease.

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Authors: Cristina Blázquez, Anna Chiarlone, Onintza Sagredo, Tania Aguado, M. Ruth Pazos, et al
Brain, January 2011
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Endocannabinoids act as neuromodulatory and neuroprotective cues by engaging type 1 cannabinoid receptors. These receptors are highly abundant in the basal ganglia and play a pivotal role in the control of motor behaviour. An early downregulation of type 1 cannabinoid receptor…

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Neuroanatomic comparison of bipolar adolescents with and without cannabis use disorders.

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Authors: Kelly Jarvis, Melissa P. DelBello, Neil Mills, Igor Elman, Stephen M. Strakowski, Caleb M. Adler
Journal of Child and Adolescent Psychopharmacology, December 2008
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OBJECTIVE: Co-occurrence of substance use and bipolar disorders is both common and associated with poor treatment response and greater functional impairment than either disorder alone. The neurophysiological correlates of this co-morbidity however, remain unclear. In this pilo…

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