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. 2015 Sep;11(9):1015-22.
doi: 10.1016/j.jalz.2015.04.011. Epub 2015 Jun 15.

MIND diet slows cognitive decline with aging

Martha Clare Morris  1 , Christy C Tangney  2 , Yamin Wang  3 , Frank M Sacks  4 , Lisa L Barnes  5 , David A Bennett  6 , Neelum T Aggarwal  6
Affiliations

MIND diet slows cognitive decline with aging

Martha Clare Morris et al. Alzheimers Dement. 2015 Sep.

Abstract

Introduction: The Mediterranean and dash diets have been shown to slow cognitive decline; however, neither diet is specific to the nutrition literature on dementia prevention.

Methods: We devised the Mediterranean-Dietary Approach to Systolic Hypertension (DASH) diet intervention for neurodegenerative delay (MIND) diet score that specifically captures dietary components shown to be neuroprotective and related it to change in cognition over an average 4.7 years among 960 participants of the Memory and Aging Project.

Results: In adjusted mixed models, the MIND score was positively associated with slower decline in global cognitive score (β = 0.0092; P < .0001) and with each of five cognitive domains. The difference in decline rates for being in the top tertile of MIND diet scores versus the lowest was equivalent to being 7.5 years younger in age.

Discussion: The study findings suggest that the MIND diet substantially slows cognitive decline with age. Replication of these findings in a dietary intervention trial would be required to verify its relevance to brain health.

Keywords: Aging; Cognition; Cognitive decline; Diet; Epidemiologic study; Nutrition.

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Conflict of interest statement

Potential Conflicts of Interest

The authors have no relevant disclosures of potential conflicts of interest.

Figures

Figure 1
Figure 1
Rates of change in global cognitive score over 10 years for MAP participants with MIND diet scores in the highest tertile of scores (- - -; median 9.5, range 8.5–12.5), the second tertile of scores (…; median 7.5, range 7.0–8.0), and the lowest tertile of scores (formula image; median 6, range 2.5–6.5). The rates of change were based on the mixed model with MIND diet score modeled as two indicator variables for tertile 2 and tertile 3 (tertile 1, the referent) and adjusted for age, sex, education, smoking, physical activity, participation in cognitively stimulating activities, and total energy intake. For tertile 3: β=0.0366, standard error=0.0101, p=0.003 and for tertile 2: β=0.0243, standard error=0.0099, p=0.01.
See this image and copyright information in PMC

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