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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