Eating a handful of walnuts daily as a snack, or as part of a meal, can help improve your memory, a new study has claimed.

Walnuts may improve performance on cognitive function tests, including those for memory, concentration and information processing speed, according to the research.

Cognitive function was consistently greater in adult participants that consumed walnuts, regardless of age, gender or ethnicity, researchers said.

The cross-sectional study is the first large representative analysis of walnut intake and cognitive function.

Dr Lenore Arab and co-researcher Dr Alfonso Ang from the University of California, Los Angeles, found that study participants with higher walnut consumption performed significantly better on a series of six cognitive tests.

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