Psoriasis is the most common auto-immune disease, affecting as many as seven and a half million Americans. Past research has linked the chronic condition to diabetes and heart disease.
In a new study of more than 9,000 psoriasis patients , doctors found as the severity of the skin disease increased, so did the patients' chances of lung disease, diabetes, liver disease, and heart attack .
Researchers suspect the link between psoriasis and these other illnesses is inflammation.
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