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Dietary intake of eicosapentaenoic and docosahexaenoic acids is linked to gray matter volume and cognitive function in elderly
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Functional Pharmacology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Clinical Nutrition and Metabolism.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Functional Pharmacology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Radiology, Oncology and Radiation Science, Radiology.
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2013 (English)In: Age (Omaha), ISSN 0161-9152, E-ISSN 1574-4647, Vol. 35, no 4, 1495-1505 p.Article in journal (Refereed) Published
Abstract [en]

In the present study, we tested whether elderly with a high dietary intake of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) would have higher cognitive test scores and greater brain volume than those with low dietary intake of these fatty acids. Data were obtained from the Prospective Investigation of the Vasculature in Uppsala Seniors (PIVUS) cohort. The dietary intake of EPA and DHA was determined by a 7-day food protocol in 252 cognitively healthy elderly (122 females) at the age of 70 years. At age 75, participants' global cognitive function was examined, and their brain volumes were measured by magnetic resonance imaging (MRI). Three different multivariate linear regression models were applied to test our hypothesis: model A (adjusted for gender and age), model B (additionally controlled for lifestyle factors, e.g., education), and model C (further controlled for cardiometabolic factors, e.g., systolic blood pressure). We found that the self-reported 7-day dietary intake of EPA and DHA at the age of 70 years was positively associated with global gray matter volume (P < 0.05, except for model C) and increased global cognitive performance score (P < 0.05). However, no significant associations were observed between the dietary intake of EPA and DHA and global white matter, total brain volume, and regional gray matter, respectively. Further, no effects were observed when examining cognitively impaired (n = 27) elderly as separate analyses. These cross-sectional findings suggest that dietary intake of EPA and DHA may be linked to improved cognitive health in late life but must be confirmed in patient studies.

Place, publisher, year, edition, pages
2013. Vol. 35, no 4, 1495-1505 p.
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Medical and Health Sciences
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URN: urn:nbn:se:uu:diva-181452DOI: 10.1007/s11357-012-9453-3ISI: 000321547300038PubMedID: 22791395OAI: oai:DiVA.org:uu-181452DiVA: diva2:556162
Available from: 2012-09-24 Created: 2012-09-24 Last updated: 2017-12-07Bibliographically approved

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Titova, Olga ESjögren, PerBrooks, Samantha JKullberg, JoelAx, ErikaKilander, LenaRiserus, UlfCederholm, TommyLarsson, Elna-MarieJohansson, LarsAhlström, HåkanLind, LarsSchiöth, Helgi BBenedict, Christian

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Titova, Olga ESjögren, PerBrooks, Samantha JKullberg, JoelAx, ErikaKilander, LenaRiserus, UlfCederholm, TommyLarsson, Elna-MarieJohansson, LarsAhlström, HåkanLind, LarsSchiöth, Helgi BBenedict, Christian
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Functional PharmacologyClinical Nutrition and MetabolismRadiologyGeriatricsCardiovascular epidemiology
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