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Multiple Cerebral Infarcts in a Young Patient Associated With Marijuana Use
Cerebrovascular events associated with marijuana use have been reported previously. This association is plausible, but not well-established yet. A 14-year-old girl, long-term heavy cannabis user, presented with generalized tonic-clonic seizures and decreased level of consciousness a few hours after smoking cannabis. Brain magnetic resonance imaging showed multiple areas of acute, subacute and chronic ischemic lesions in the left frontal lobe, basal ganglia, and corpus callosum. History of other illicit drug use and other known causes of stroke were ruled out. Cannabis might cause stroke through direct effects on the cerebr...
Source: Journal of Addiction Medicine - September 1, 2017 Category: Addiction Tags: Case Reports Source Type: research

Methamphetamine dependent individuals show attenuated brain response to pleasant interoceptive stimuli
Conclusions: MD expend fewer brain processing resources during soft touch, a form of positively-valenced interoceptive stimuli, in brain areas that are important for both interoception and reward. Future studies will ascertain if sustained abstinence from methamphetamine use can normalize aberrant neural interoceptive processing.
Source: Drug and Alcohol Dependence - July 16, 2013 Category: Addiction Authors: April C. May, Jennifer L. Stewart, Robyn Migliorini, Susan F. Tapert, Martin P. Paulus Tags: Full Length Reports Source Type: research