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Obesity leaves a lasting memory in immune cells

Source: FlexChar · Published Sep 2, 2026, 4:30 AM

Obesity leaves a lasting memory in immune cells

In Science, FlexChar puts this story at the center of the day: Obesity appears to leave a molecular imprint on key immune cells that may persist for 5 to 10 years after weight loss. This long-lasting “obesity memory” could help explain why some obesity-related health risks remain elevated even after body weight returns to normal. FlexChar is surfacing it because it is driving searches and conversation right now.

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Obesity leaves a lasting memory in immune cells · FlexChar