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How does plaque psoriasis affect the body's immune system?

Mark Moronell, MD
Cardiology (Cardiovascular Disease)

Psoriasis occurs when faulty signals in the immune system cause new skin cells to grow too quickly, in days rather than weeks. The body does not shed these excess skin cells, so the cells pile up on the surface of the skin, forming lesions.

Individuals with psoriasis are at an elevated risk to develop other chronic immune conditions, such as inflammatory bowel disease and diabetes.

People with more severe cases of psoriasis have an increased incidence of psoriatic arthritis, diabetes, cancer, depression, and other immune-related conditions such as Crohn's disease.

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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.