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Moderate, Regular Alcohol Consumption is Associated with Higher Cognitive Function in Older Community-Dwelling Adults
E T Reas1, G A Laughlin2, D Kritz-Silverstein2
1Department of Radiology, University of California, San Diego, USA.
The Journal of Prevention of Alzheimer'S Disease
|May 18, 2016
Summary
Moderate alcohol consumption, particularly infrequent and regular drinking, is linked to better cognitive function in older adults. This suggests potential cognitive benefits from low-level alcohol intake without significant adverse effects.
Area of Science:
- Neuroscience
- Gerontology
- Epidemiology
Background:
- Moderate alcohol consumption is suggested to protect against cognitive decline and dementia.
- Optimal drinking patterns for cognitive benefits remain unclear.
Purpose of the Study:
- To investigate the association between alcohol consumption patterns (amount and frequency) and cognitive function in older adults.
- To analyze cognitive performance across multiple domains in relation to alcohol intake.
Main Methods:
- Observational, cross-sectional cohort study of 1624 older adults (mean age 73.2 years).
- Assessment included neuropsychological testing, alcohol consumption questionnaires, and health evaluations.
- Participants categorized by alcohol intake amount (never, former, moderate, heavy, excessive) and frequency (non-drinker, rare, infrequent, frequent, daily).
- Statistical analyses controlled for age, sex, education, lifestyle, and health factors.
Main Results:
- Alcohol intake amount and frequency significantly correlated with cognitive function.
- Global and executive functions showed linear positive associations with alcohol intake.
- Visual memory exhibited an inverted U-shaped association, with peak performance in moderate, infrequent drinkers.
Conclusions:
- Moderate, regular alcohol consumption is associated with enhanced cognitive function compared to non-drinking or infrequent drinking.
- Low levels of alcohol intake may offer cognitive advantages in aging populations without significant risks.
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