How does happiness improve your health?

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Scientists say people with positive emotions tend to have more Immunoglobin A in their bodies. This is an important protein in the immune system and one of the body's key defenses against respiratory illness.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.