Sore, stiff joints are more than just a nuisance. When pain flares up, it can sometimes make even simple tasks like driving or writing challenging. But what you might not know is that if your joint ...

Juvenile psoriatic arthritis (JPA) is a chronic inflammatory condition that affects children under the age of 16. It is a form of juvenile idiopathic arthritis (JIA) that occurs with psoriasis, a skin ...

When the immune system mistakenly attacks healthy cells in both the skin and joints, the result is psoriatic arthritis—a challenging condition that affects approximately 1 million Americans. While ...

Philip J. Mease, MD: It was 30% in a study in which I was lead author. The study involved 40 different dermatology clinics with dermatologists specializing in psoriasis in North America and Europe.

According to a systematic review and meta-analyses of observational and clinical studies, approximately 25% of individuals with psoriasis develop psoriatic arthritis (PsA). Persistent articular ...