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429 Scientists discover why your appetite suddenly disappears when you’re sick

ScienceDaily
ScienceDaily · 03/28/2026 04:35 EDT

Scientists have uncovered how your body actually tells your brain to stop eating when you’re sick. In a new study, researchers found that specialized cells in the gut detect parasites and send signals that ultimately trigger the brain to suppress appetite. This process builds over time, explaining why you may feel fine at first but then suddenly lose interest in food as an infection takes hold.

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