Psoriasis is a disease in which red, scaly patches form on the skin, typically on the elbows, knees, or scalp. An estimated 7.5 million people in the United States will develop the disease, most of them between the ages of 15 and 30.

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6 Things That Can Cause a Psoriasis Flare-Up

Psoriasis triggers aren't the same for everyone, but there are some common ones to look out for.

11 Signs You Could Have Psoriasis

This autoimmune skin condition produces itchy, red patches and other symptoms that vary by the type of disease and severity.

6 Things That Can Make Psoriasis Better

The most common of the five forms of the disorder, plaque psoriasis tends to develop on the scalp, knees, elbows, hands, and feet.

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