Psoriasis is a skin condition that influences between 2 and also 4 % of the worlds population. It's qualified by spots of red, half-cracked, crusty as well as scaly skin. These unusual patches generally impact areas around the elbows, knees, scalp as well as reduced back. That claimed, they can really show up anywhere on your body. Apart from the noticeable signs psoriasis could be incredibly irritating, scratchy and sore.