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Daily Walnuts Linked to Improved Mood and Serotonin Metabolism Shifts
Health

Daily Walnuts Linked to Improved Mood and Serotonin Metabolism Shifts

A new study shows 40g of walnuts daily for 8 weeks improved mood in young adults, reducing total mood disturbance. It also increased urinary 5-HIAA, a marker of serotonin metabolism, and urolithins, linked to gut health. While promising, researchers caution limitations like sample size and design.