Benefits of fatty fish on dementia risk are stronger for those without APOE ε4

Tina L. Huang, Peter P Zandi, K. L. Tucker, A. L. Fitzpatrick, L. H. Kuller, Linda P Fried, G. L. Burke, Michelle C Carlson

Research output: Contribution to journalArticle

Abstract

Objective: To compare associations of lean fish vs fatty fish (tuna or other fish) intake with dementia, Alzheimer disease (AD), and vascular dementia (VaD) and in relation to APOE ε4 status in the Cardiovascular Health Cognition Study (CHCS). Methods: Fish intake was assessed by food frequency questionnaires. Incident dementia, AD, and VaD were determined through a series of cognitive tests, physician's assessment, and committee consensus. We used Cox proportional hazards regression to calculate hazard ratios of dementia, AD, and VaD with lean fried fish, fatty fish, or total fish intake, which were then stratified by the presence of APOE ε4. Results: Although consumption of lean fried fish had no protective effect, consumption of fatty fish more than twice per week was associated with a reduction in risk of dementia by 28% (95% CI: 0.51 to 1.02), and AD by 41% (95% CI: 0.36 to 0.95) in comparison to those who ate fish less than once per month. Stratification by APOE ε4 showed this effect to be selective to those without the ε4 allele. Adjustment by education and income attenuated the effect. Conclusion: In the Cardiovascular Health Cognition Study, consumption of fatty fish was associated with a reduced risk of dementia and Alzheimer disease for those without the APOE ε4 allele.

Original languageEnglish (US)
Pages (from-to)1409-1414
Number of pages6
JournalNeurology
Volume65
Issue number9
DOIs
StatePublished - Nov 8 2005

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Dementia
Fishes
Alzheimer Disease
Vascular Dementia
Cognition
Alleles
Tuna
Social Adjustment
Health
Risk Reduction Behavior
Consensus
Physicians
Education
Food

ASJC Scopus subject areas

  • Neuroscience(all)

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Benefits of fatty fish on dementia risk are stronger for those without APOE ε4. / Huang, Tina L.; Zandi, Peter P; Tucker, K. L.; Fitzpatrick, A. L.; Kuller, L. H.; Fried, Linda P; Burke, G. L.; Carlson, Michelle C.

In: Neurology, Vol. 65, No. 9, 08.11.2005, p. 1409-1414.

Research output: Contribution to journalArticle

Huang, Tina L. ; Zandi, Peter P ; Tucker, K. L. ; Fitzpatrick, A. L. ; Kuller, L. H. ; Fried, Linda P ; Burke, G. L. ; Carlson, Michelle C. / Benefits of fatty fish on dementia risk are stronger for those without APOE ε4. In: Neurology. 2005 ; Vol. 65, No. 9. pp. 1409-1414.
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