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The Effects of Alcohol and Cannabis Co-Use on Neurocognitive Function, Brain Structure, and Brain Function
Margaret F Bedillion1, Sara K Blaine2, Eric D Claus1
1Penn State University, Department of Biobehavioral Health, University Park, PA 16802.
Alcohol and cannabis co-use in young people may negatively impact brain function and cognition. More research is needed to understand these complex effects and establish consistent study methods.
Area of Science:
- Neuroscience
- Addiction Research
- Adolescent Health
Background:
- Rising rates of co-use of alcohol and cannabis among adolescents and young adults.
- Need for understanding the neurobiological consequences of combined substance use.
Purpose of the Study:
- To review existing literature on the effects of alcohol and cannabis co-use.
- To examine impacts on neurocognitive functioning, brain structure, and brain function.
Main Methods:
- Literature review of studies on alcohol and cannabis co-use.
- Analysis of neurocognitive, structural, and functional brain outcomes.
Main Results:
- Most studies indicate negative outcomes, including impaired cognitive function and altered brain regions.
- Some studies report no significant effects compared to single-substance use or non-use.
Conclusions:
- Current research lacks consensus due to methodological variations and inconsistent definitions.
- Further investigation into simultaneous alcohol and cannabis use is required.
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