Can high blood sugar affect the immune system?

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When you have an injury or infection, your body sends white blood cells to heal the damaged tissue. But too much glucose in your blood can slow the work of white blood cells, resulting in cuts and bruises that never seem to heal. Even minor injuries like a cut with a razor will take longer to heal and may become infected. When your blood sugar goes up above 200, your white blood cells can't fight really well. And that weakens your immune system.

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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.