Reviewed by Brunilda Nazario on December 27, 2018
MedlinePlus: “Psoriasis.”<br>American Academy of Dermatology: “Psoriasis.”<br>National Psoriasis Foundation: “The Immune System and Psoriatic Disease.”
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Psoriasis, red, scaly patches of skin, actually starts inside your body. What causes this common autoimmune disease?
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