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February, 2006 Skip breakfast during exams ! New research suggests that hunger pangs may trigger memory. American scientists at Yale University found that the hunger hormone 'ghrelin' can increase the number of nerve connections in the area of brain where new memories are formed, which may result in the better creation and retrieval of memories. The study provides evidence that ghrelin may control higher brain functions and may represent a molecular link between learning capabilities and energy metabolism. It is possible that we are more alert and keyed up to both remember and recall more readily when stressed by hunger.
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