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Cats also purr to soothe themselves when they are stressed, anxious, or in pain.
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Purring is not always a sign of happiness. Cats often purr during stressful situations, like visiting the vet, or when they are hurt. The vibrations from purring might release natural painkillers in their body and help them calm down. It’s like a built-in way for cats to comfort themselves when things are tough.
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