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The World in Medicine
October 19, 2005

Roots of Psoriasis

JAMA. 2005;294(15):1890. doi:10.1001/jama.294.15.1890-b

Psoriasis researchers have long debated whether the condition begins as an immune system disorder that induces skin lesions or as a skin disease that has immunological effects. Now, findings from a study by researchers from Germany, France, and Austria suggest that psoriasis begins with changes in the skin that subsequently trigger involvement of the immune system (Zenz et al. Nature. 2005;437:369-375).

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