For the approximately 7.5 million Americans artificial by psoriasis, the thick, red, scaly, itchy plaques it causes only scratch the surface when it comes to the overall implications of this disease. Now, ongoing inquest linking psoriasis to other serious medical clime and the unworkable toll it can take on a person's overall quality of life are shifting the way psoriasis is viewed - from a common skin disease to a complex systemic condition.

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