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Link to original content: http://pubmed.ncbi.nlm.nih.gov/15066068/
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. 2004 Apr;52(4):540-6.
doi: 10.1111/j.1532-5415.2004.52159.x.

Alcohol intake and risk of dementia

Jose A Luchsinger  1 , Ming-Xin Tang, Maliha Siddiqui, Steven Shea, Richard Mayeux
Affiliations

Alcohol intake and risk of dementia

Jose A Luchsinger et al. J Am Geriatr Soc. 2004 Apr.

Abstract

Objectives: To examine the association between intake of alcoholic beverages and risk of Alzheimer's disease (AD) and dementia associated with stroke (DAS) in a cohort of elderly persons from New York City.

Design: Cohort study.

Setting: The Washington Heights Inwood-Columbia Aging Project.

Participants: Nine hundred eighty community-dwelling individuals aged 65 and older without dementia at baseline and with data on alcohol intake recruited between 1991 and 1996 and followed annually.

Measurements: Intake of alcohol was measured using a semiquantitative food frequency questionnaire at baseline. Subjects were followed annually, and incident dementia was diagnosed using Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, criteria and classified as AD or DAS.

Results: After 4 years of follow-up, 260 individuals developed dementia (199 AD, 61 DAS). After adjusting for age, sex, apolipoprotein E (APOE)-epsilon 4 status, education, and other alcoholic beverages, only intake of up to three daily servings of wine was associated with a lower risk of AD (hazard ratio=0.55, 95% confidence interval=0.34-0.89). Intake of liquor, beer, and total alcohol was not associated with a lower risk of AD. Stratified analyses by the APOE-epsilon 4 allele revealed that the association between wine consumption and lower risk of AD was confined to individuals without the APOE-epsilon 4 allele.

Conclusions: Consumption of up to three servings of wine daily is associated with a lower risk of AD in elderly individuals without the APOE epsilon-4 allele.

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