What causes psoriatic arthritis?

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  1. Psoriatic arthritis is linked to psoriasis, a condition in which cells of dead skin accumulate too quickly, forming scaly red patches. Both conditions are caused by an autoimmune response, meaning the body's immune system attacks its own healthy tissue and cells. Genetics and the environment may play a role.

    Psoriatic arthritis is linked to psoriasis, a condition in which cells of dead skin accumulate too quickly, forming scaly red patches. Both conditions are caused by an autoimmune response, meaning the body's immune system attacks its own healthy... More