Psoriasis is a long-term skin disease that affects millions of people around the world. It is not contagious, which means it ...

What Is the Auspitz Sign? Auspitz sign is a distinctive mark seen when a skin plaque has been removed. Plaques (also called scales) are common in plaque psoriasis, but people with Darier′s disease and ...

Psoriasis can involve any area of the skin. The most common areas are those that are prone to significant trauma from rubbing or scratching. These areas include the elbows, knees and scalp. However, ...

Share on Pinterest A study found a link between vitamin D levels and the severity of psoriasis. Raymond Forbes LLC/Stocksy Psoriasis is an autoimmune skin disorder characterized by raised, inflamed ...