Cannabis-use disorder

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Title
Massive Danish study finds strong link between marijuana addiction and mental illness
03/23/2023

The study, published May 4 by the Cambridge journal Psychological Medicine, examines 6.9 million people ages 16-49 and more than 45,000 schizophrenia cases from 1972 to 2021. It found that the adjusted incidence risk ratio for males ages 16 to 20 was more than twice that for females of the same age group, concluding that “[a]t a population level, assuming causality, one-fifth of cases of schizophrenia among young males might be prevented by averting CUD” (cannabis use disorder).


Cannabis-use disorder, mental health, Delta-8
Cognitive control in young adults with cannabis use disorder: An event-related brain potential study.
07/26/2017

Abstract

Contemporary models of substance use disorders emphasize the role of cognitive control, which has been linked to difficulties in resisting the use of substances. In the present study, we measured two aspects of cognitive control, response inhibition (operationalized by a Go/NoGo Task) and performance monitoring (operationalized by an Eriksen Flanker Task), in a group of young cannabis-use disorder (CUD) patients and compared these functions with two control groups (i.e. a group of cigarette smokers and a group of non-smokers). We employed both behavioural and electrophysiological measures. The results indicate that CUD patients displayed reduced NoGo-P3 event-related potentials compared with non-smoking controls, but not compared with smoking controls. In addition, CUD patients were slower on Go trials than both control groups. No other between-group electrophysiological or behavioural differences were observed. These results seem to suggest that CUD patients have problems related to response inhibition, but performance monitoring seems relatively unaffected.

 


CUD, Cannabis-use disorder, study
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