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    Psoriasis: Test Your Knowledge

    Psoriasis affects up to 7.5 million Americans, according to the National Institutes of Health. Psoriasis is more common in adults than children and affects males and females equally.

    Psoriasis affects:

    Recommended Related to Psoriasis

    Psoriasis and Your Diet

    Many people think that what they eat affects their psoriasis, but no studies have shown a connection. Doctors can’t be sure there's no link between some foods and psoriasis. It's just that so far, there's no proof. According to most experts, the best dietary advice for people with psoriasis is the same as for anyone else: Eat a diet low in fats and sweets and high in fruits and vegetables. While you're at it, get regular exercise -- being overweight can make psoriasis worse and keep your medication...

    Read the Psoriasis and Your Diet article > >

    • 2% to 3% of people throughout the world
    • About 2.2% of people in the United States
    • Some cultures more than others. Worldwide, psoriasis is most common in Scandinavia and other parts of northern Europe. It appears to be far less common among Asians and is rare in Native Americans, according to the American Academy of Dermatology.

    WebMD Medical Reference

    Reviewed by Stephanie S. Gardner, MD on November 22, 2015

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