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Psoriasis is a very common condition. The disorder may affect people of any age, but it most commonly begins between ages 15 and 35.
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The cause of psoriasis is unknown, but research suggests that an immune-system malfunction triggers the disease. Factors that increase the risk of developing psoriasis include:.
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A medical history and physical examination is the basis for a diagnosis of psoriasis. In some cases, a microscopic examination of skin cells is also performed.Blood tests can distinguish psoriatic arthritis from other types of arthritis.
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The cause of psoriasis is, as of 2004, unknown, but research suggests that it is genetic and is related to the immune-system. Having both parents with the disease increases a child's risk by 50 percent.Psoriasis is usually cyclical, with episodes ...
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