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.

Featured Stories

Psoriasis May Increase Risk of Cancer, According to New Research

The autoimmune disease was linked to an increased risk of skin, esophageal, liver, and pancreatic cancers, among others.

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.

More on Psoriasis

13 Reasons You Have Scaly Skin—and How to Get Rid of It

If your skin is dry, rough, and scaly, psoriasis, eczema, athlete's foot, or other skin conditions could be to blame. Our guide to the many causes of scaly skin will help you pinpoint your problem–and identify the steps you can take to fix it.

Kim Kardashian West Just Got Extra Candid About Her Psoriasis

She shared never-before-seen photos of her flare-ups in an essay on 'Poosh.'