Ever wonder why you overeat after “forgetting” lunch? Scientists may have found the answer.
By Aniket Chakraborty
June 16, 2025
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SCIENCE
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Researchers discovered "meal memory" neurons in the brain that store what and when you eat.
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These neurons form "meal engrams"—memory traces that help your brain log meals.
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When these neurons are damaged, rats ate again—because they couldn’t remember eating!
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This could explain why memory loss in dementia patients leads to overeating.
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Even distracted eating—like scrolling or binge-watching—can weaken meal memories.
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These neurons communicate with the
hypothalamus
, which controls hunger.
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Block that brain connection, and rats couldn’t recall where they last ate—so they kept eating.
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Scientists say remembering
when
and
what
you eat is crucial for managing weight.
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This discovery opens doors for new obesity treatments that boost meal memory—not just cut calories.
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