Heavy alcohol consumption in young adolescents whose brains are
still developing has been shown to have negative effects on cognitive function, showing damage to be permanent, particularly in the areas of the brain responsible for “executive functioning” or working memory, reasoning, task management, and other cognitive functions.
While most studies tend to focus on heavy or binge drinking, few have focused primarily on low to moderate amounts of alcohol and effects on the younger adult brain.
A new study published in the journal Alcohol aimed to determine the effect of low-level alcohol consumption in young adults on cognitive 
processing, using novel fMRI methods.
This study used data from 29 young adults enrolled in a 20 year from birth through young adulthood cohort. Participants did not do drugs and they did not suffer from any cognitive development issues. The number of alcoholic drinks consumed per week was determined for each participant using questionnaires.
To be sure participants were not under the influence of drugs or alcohol before
the MRI procedure, urine tests were performed.
During the MRI procedure, the Counting Stroop cognitive test was performed.
Important Findings:
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