Effect of high-potency cannabis on corpus callosum microstructure
Abstract Background: The use of cannabis with higher Δ9-tetrahydrocannabinol content has been associated with greater risk, and earlier onset, of…
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Acute effects of cocaine and cannabis on reversal learning as a function of COMT and DRD2 genotype
Abstract Rationale: Long-term cannabis and cocaine use has been associated with impairments in reversal learning. However, how acute cannabis and…
Assessment of the Abuse Liability of Synthetic Cannabinoid Agonists JWH-030, JWH-175, and JWH-176
Abstract The emergence and use of synthetic cannabinoids have greatly increased in recent years. These substances are easily dispensed over…
Brain activation to negative stimuli mediates a relationship between adolescent marijuana use and later emotional functioning
Abstract Adolescent marijuana use and emotional functioning across time points were examined. Resiliency increased in controls but not heavy marijuana…
Frequency of Hepatitis B and C Viruses, and HIV Among Drug Addicts in the Eastern Anatolia, Turkey
Abstract Background: Hepatitis B, hepatitis C and HIV infections constitute serious healthcare problems worldwide. Objectives: There are a limited number…
Cannabis use in early adolescence: Evidence of amygdala hypersensitivity to signals of threat
Abstract Teenagers experimenting with cannabis may be characterized with fMRI. We report a face processing study of cannabis experimenting teenagers.…
Examining the profile of high-potency cannabis and its association with severity of cannabis dependence
Abstract Background: Cannabis use is decreasing in England and Wales, while demand for cannabis treatment in addiction services continues to…
Factors that lead to the use of crack cocaine in combination with marijuana in Brazil: a qualitative study
Abstract Background: In Brazil, crack cocaine use remains a healthcare challenge due to the rapid onset of its pleasurable effects,…
Cannabis, Cigarettes, and Their Co-Occurring Use: Disentangling Differences in Gray Matter Volume
Abstract Background: Structural magnetic resonance imaging techniques are powerful tools for examining the effects of drug use on the brain.…
Cannabis-induced alterations in brain activation during a test of information processing speed in patients with MS
Abstract Objective: The objective of this article is to determine the functional brain correlates of information processing speed in multiple…