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Study: Hunger Doesn't Hinder Adult Cognitive Performance

11/5/2025

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Summary

Story summary

A new study in the American Psychological Association's Psychological Bulletin finds that hunger does not impair cognitive performance.
Researchers analyzed 71 studies involving over 3,400 healthy adults, reporting no significant difference between those who fasted and those who recently ate.
Adults showed stable cognitive function during fasting.
Children exhibited declines in attention and memory.
Fasting may trigger beneficial metabolic changes.

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Story summary

A new study in the American Psychological Association's Psychological Bulletin finds that hunger does not impair cognitive performance.
Researchers analyzed 71 studies involving over 3,400 healthy adults, reporting no significant difference between those who fasted and those who recently ate.
Adults showed stable cognitive function during fasting.
Children exhibited declines in attention and memory.
Fasting may trigger beneficial metabolic changes.