Daily Walnut Consumption May Improve Mood in Young Adults
Nov 05, 2026
New Delhi [India], November 5: Clinical research led by Dr. Maria Izquierdo-Pulido, Professor of Nutrition and Food Science at the Torribera Campus of the University of Barcelona, shows that consuming a handful of walnuts a day for eight weeks may help improve mood in healthy young adults.1 The study, published in Food & Function and supported by the California Walnut Commission, also provides new evidence on the possible biological mechanisms involved, related to the gut microbiota and serotonin metabolism. During the intervention, improvements were also observed in some aspects related to emotional eating, although these findings were exploratory in nature.
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