What You Should Know About Psoriasis Symptoms By Khrystyana Kirton Edited by Stephanie Dawson Psoriasis is a common skin disease that affects the life cycle of skin cells. Psoriasis causes cells to build up rapidly on the surface of the skin, forming thick silvery scales and itchy, dry, red patches that are sometimes painful. This … Continue reading 6 Signs that May Indicate Psoriasis Symptoms