Cited by 107Nutritional Studies and DietDementia and Cognitive Impairment ResearchAlzheimer's disease research and treatments

Dietary Patterns and Alzheimer’s Disease: An Updated Review Linking Nutrition to Neuroscience

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Ellouze, Ines, Sheffler, Julia, Nagpal, Ravinder, Arjmandi, Bahram·2023·Nutrients

Abstract

Alzheimer’s disease (AD) is a growing concern for the aging population worldwide. With no current cure or reliable treatments available for AD, prevention is an important and growing area of research. A range of lifestyle and dietary patterns have been studied to identify the most effective preventive lifestyle changes against AD and related dementia (ADRD) pathology. Of these, the most studied dietary patterns are the Mediterranean, DASH, MIND, ketogenic, and modified Mediterranean-ketogenic diets. However, there are discrepancies in the reported benefits among studies examining these dietary patterns. We herein compile a narrative/literature review of existing clinical evidence on the association of these patterns with ADRD symptomology and contemplate their preventive/ameliorative effects on ADRD neuropathology in various clinical milieus. By and large, plant-based dietary patterns have been found to be relatively consistently and positively correlated with preventing and reducing the odds of ADRD. These impacts stem not only from the direct impact of specific dietary components within these patterns on the brain but also from indirect effects through decreasing the deleterious effects of ADRD risk factors, such as diabetes, obesity, and cardiovascular diseases. Importantly, other psychosocial factors influence dietary intake, such as the social connection, which may directly influence diet and lifestyle, thereby also impacting ADRD risk. To this end, prospective research on ADRD should include a holistic approach, including psychosocial considerations.

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Crossref · 10.3390/nu15143204

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  • Sedentary lifestyles and bad dietary habits, such as consuming large amounts of carbs and saturated fats, are connected to increased AD risk.

    “Furthermore, sedentary lifestyles and bad dietary habits, such as consuming large amounts of carbs and saturated fats, have been connected to an increased risk [54,55,56,57].”

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Authors
Ellouze, I., Sheffler, J., Nagpal, R., & Arjmandi, B.
Affiliations
  • Department of Plant Biotechnology, Higher Institute of Biotechnology of Beja, University of Jendouba, Beja 382, Tunisia
  • Florida State University (US)
Corresponding author
  • Nagpal, Ravinder
  • Arjmandi, Bahram
Venue
Nutrients
Publisher
MDPI AG
Published
2023-07-19
Volume
15
Issue
14
Pages
3204
ISSN
2072-6643 (ISSN-L)
OpenAlex
W4384829115
Cited by
104
References
187
Citations by year
2026: 22 · 2025: 48 · 2024: 31 · 2023: 3
FWCI
5.28
Type
journal article
Language
en
Open access
Locations
  • Nutrients (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • the Fulbright Visiting Scholar (U54CA267730-02)
  • the National Institutes of Health (NIH) FIRST (U54CA267730-02)
  • the Office of the Director, NIH (NCI) (U54CA267730-02)
  • Florida State University (FSU) (U54CA267730-02)
  • FSU Council on Research & Creativity (U54CA267730-02)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutritional Studies and Diet
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
Keywords
Alzheimer's disease, dietary habits, Mediterranean diet, DASH diet, MIND diet, ketogenic diet, plant-based diet, dementia prevention, neuropathology, diabetes mellitus, obesity, cardiovascular disease, social connectedness, psychosocial factors, nutrition and brain health
MeSH terms
Aged, Aging, Alzheimer Disease, Diet, Humans, Nutritional Status, Neurodegenerative Diseases

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