Dietary Patterns and Indicators of Cognitive Function

Are healthy dietary patterns associated with lower risk of subjective cognitive decline and better objectively measured cognitive function?In this cohort study performing a systematic evaluation of 6 dietary patterns among 159 347 participants, greater adherence to a healthy diet, exemplified by the Dietary Approaches to Stop Hypertension (DASH) diet, was associated with lower risk of subjective cognitive decline and better objectively measured cognitive function. The associations were most pronounced when the diet was followed during midadulthood (ages 45-54 years).Results suggest that a healthy diet, such as the DASH diet, was associated with early indicators of cognitive aging, which underscores the importance of a healthy diet for maintaining long-term cognitive health.

Corresponding Authors: Changzheng Yuan, ScD, School of Public Health, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China, 866 Yuhangtang Rd, Hangzhou, Zhejiang 310058, China (chy478@zju.edu.cn); Kjetil Bjornevik, MD, PhD, Department of Nutrition and Department of Epidemiology, Harvard T.H. Chan School of Public Health, 665 Huntington Ave, Boston, MA 02115 (kbjorne@hsph.harvard.edu).

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