Psoriasis is a chronic, inflammatory skin disease. Knees, elbows, scalp, trunk, and nails are the most commonly affected areas. There are several types of psoriasis.
Find answers in our in-depth report on psoriasis:
Living With Psoriasis
The impact of psoriasis on the skin can be very visible. What is often not so apparent is the toll it can take on sufferers' experiences, feelings, and behaviors.