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Walnuts May Help Prevent Cognitive Decline - International Nut & Dried Fruit Council

12 February 2020|In Health News, News

Walnuts May Help Prevent Cognitive Decline

The Walnuts and Healthy Aging study is a 2-center (Barcelona, Spain and Loma Linda, California) study examining the cognitive effects of a 2-year walnut intervention in elderly.

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A total of 708 participants, between 63-79 years old, were included in this study. The subjects were randomly allocated to the walnut group (30-60 g/day) or the control group (abstention from walnuts). Researchers administered a comprehensive neurocognitive test battery at the beginning of the study and after 2 years.

Thanks to the functional magnetic resonance imaging, the study results showed that walnuts might delay cognitive decline in subgroups at higher risk, such as in elderly.

Sala-Vila, A., Valls-Pedret, C., Rajaram, S., Coll-Padrós, N., Cofán, M., Serra-Mir, M., … Ros, E. (2020). Effect of a 2-year diet intervention with walnuts on cognitive decline. The Walnuts And Healthy Aging (WAHA) study: a randomized controlled trial. The American journal of clinical nutrition, nqz328. Advance online publication. doi:10.1093/ajcn/nqz328

Walnuts May Help Prevent Cognitive Decline

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