Psoriasis is a chronic skin disease that occurs in 2 to 2.6 percent of the United States population, according to eMedicine. As an inflammatory disease, it can affect the skin by leaving it itchy, sore and red.
Cause
Specialized white blood cells called T-cells that protect the body from infection actually attack the skin. Skin inflammation results and cells grow faster leaving thickened patches on the skin's surface.
Symptoms
Symptoms include red patches with silvery scales, itching, soreness, burning, cracked skin, nail ridges (pits), small spots and joint stiffness, report the experts at the Mayo Clinic. Psoriasis is commonly found on the legs, arms, scalp and back, but can be found anywhere. the symptoms wax and wane for weeks and months.
Population
Psoriasis is common in Caucasian women. According to eMedicine, 10 to 15 percent of new cases are in children less than 10-years-old. The average age of onset is 28-years-old.
Treatment
Psoriasis can be treated with topical (applied on skin) treatments like Anthralin, light therapy and medications,, such as Soriatane. The aim is to reduce inflammation and smooth the skin.
Prevention
Avoid smoking, stress and sun exposure as they trigger psoriasis. Cover your body when going outside and eat a healthy diet.


