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Medical cannabis and cognitive performance in middle to old adults treated for chronic pain

Authors: Sharon R Sznitman, Simon Vulfsons, David Meiri, Galit Weinstein Published in Drug and Alcohol Review September 2020 Abstract Introduction and aims: Cannabis exposure is becoming more common in older age but little is known about how it is associated with brain health in this population. This study assesses the relationship between long-term medical cannabis…

Acute effects of naturalistic THC vs. CBD use on recognition memory: a preliminary study

Authors: Tim Curran , Hélène Devillez , Sophie L. York Williams and L. Cinnamon Bidwell Published in Journal of Cannabis Research  2020 Abstract The ratio of Δ9-tetrahydrocannabinol (THC) to cannabidiol (CBD) varies widely across cannabis strains. CBD has opposite effects to THC on a variety of cognitive functions, including acute THC-induced memory impairments. However, additional…

Totality of the Evidence Suggests Prenatal Cannabis Exposure Does Not Lead to Cognitive Impairments: A Systematic and Critical Review

Author: Ciara A. Torres, Christopher Medina-Kirchner, Kate Y. O’Malley, and Carl L. Hart Published in Frontiers in Psychology May 2020 Abstract Background Despite limited data demonstrating pronounced negative effects of prenatal cannabis exposure, popular opinion and public policies still reflect the belief that cannabis is fetotoxic. Methods This article provides a critical review of results from…

Acute and residual mood and cognitive performance of young adults following smoked cannabis

Authors: Justin Matheson, Robert E. Mann, Beth Sproule, Marilyn A. Huestis, Christine M. Wickens, Gina Stoduto, Tony P. George, Jürgen Rehm, Bernard Le Foll, Bruna Brands Published in Science Direct  July 2020 Abstract Objectives To examine acute and residual mood and cognitive performance in young adult regular cannabis users following smoked cannabis. Methods Ninety-one healthy…

Cannabis use during pregnancy: Pharmacokinetics and effects on child development.

Authors: Kimberly S.Grant, Rebekah Petroff, Nina Isoherranen, Nephi Stella, Thomas M. Burbacher
Pharmacology & Therapeutics, February 2018

The broad-based legalization of cannabis use has created a strong need to understand its impact on human health and behavior. The risks that may be associated with cannabis use, particularly for sensitive subgroups such as pregnant women, are difficult to define because of a p…

Efficacy of Inhaled Cannabis on Painful Diabetic Neuropathy.

Authors: Mark S. Wallace, Thomas D. Marcotte, Anya Umlauf, Ben Gouaux, Joseph H. Atkinson
The Journal of Pain, July 2015

A randomized, double-blinded, placebo controlled crossover study was conducted in 16 patients with painful diabetic peripheral neuropathy to assess the short-term efficacy and tolerability of inhaled cannabis. In a crossover design, each participant was exposed to 4 single dos…

Smoked cannabis for spasticity in multiple sclerosis: a randomized, placebo-controlled trial.

Authors: Jody Corey-Bloom, Tanya Wolfson, Anthony Gamst, Shelia Jin, Thomas D. Marcotte, et al
CMAJ, 10 July 2012

BACKGROUND: Spasticity is a common and poorly controlled symptom of multiple sclerosis. Our objective was to determine the short-term effect of smoked cannabis on this symptom. METHODS: We conducted a placebo-controlled, crossover trial involving adult patients with multiple s…

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

Authors: Matthijs G. Bossong, Gerry Jager, Hendrika H. van Hell, Lineke Zuurman, et al
Journal of Cognitive Neuroscience, March 2012

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…

Prenatal marijuana and alcohol exposure and academic achievement at age 10.

Authors: Lidush Goldschmidt, Gale A Richardson, Marie D Cornelius, Nancy L Day
Neurotoxicology and Teratology, July-August 2004

The effects of prenatal marijuana and alcohol exposure on school achievement at 10 years of age were examined. Women were interviewed about their substance use at the end of each trimester of pregnancy, at 8 and 18 months, and at 3, 6, 10, 14, and 16 years. The women were of l…

Non-acute (residual) neurocognitive effects of cannabis use: a meta-analytic study.

Authors: Igor Grant, Raul Gonzalez, Catherine L. Carey, Loki Natarajan, Tanya Wolfson
Journal of the International Neuropsychological Society, July 2003

The possible medicinal use of cannabinoids for chronic diseases emphasizes the need to understand the long-term effects of these compounds on the central nervous system. We provide a quantitative synthesis of empirical research pertaining to the non-acute (residual) effects of…