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Alcohol is commonly consumed in the United States, but the brain is always active behind the scenes managing critical functions. When alcohol enters the system, the brain has to continue working despite its impairing effects. New research suggests that even low levels of alcohol consumption may negatively affect brain health.
The new study explored the potential effects of moderate alcohol use on brain health. Prior studies suggest that even modest drinking habits are associated with decreased blood circulation in the brain and loss of volume in regions tied to cognitive function, memory, and learning.
Researchers collected data from 45 healthy adults ranging in age from 22 to 70 who did not have alcohol use abuse. Participants completed questionnaires designed to measure lifetime alcohol consumption and identify other potential influences on brain health, such as neurological issues, psychiatric conditions, and recent use of substances. They then used MRI imaging to assess brain health.
The results showed that participants with higher monthly averages of alcohol use showed greater declines in brain blood flow compared to those who drank less frequently or in smaller amounts. The findings also revealed that older adults were more affected, with aging and long-term alcohol exposure together associated with widespread reductions in blood flow throughout the brain.
One possible explanation for the findings is oxidative stress, which is linked to inflammation, aging, and damage to cells throughout the body. Future research involving larger groups of participants is needed to better understand how low-level drinking may impact coordination, balance, and dexterity.
To view the original scientific study click below:
The interaction of age and total lifetime drinks is associated with regional cortical perfusion and thickness in healthy adults with low-level alcohol consumption
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