Having psoriasis raises your risk of psoriatic arthritis — and rheumatoid arthritis, too. Make sure you can tell these two forms of arthritis apart.

Psoriasis affects your body’s immune system, causing it to produce too many skin cells. Those extra cells build up and create a flaky rash that may appear red, purple, ashen gray, or brown ...

Objective To evaluate the efficacy and safety of an oral selective tyrosine kinase 2 (TYK2) inhibitor, deucravacitinib, in patients with active psoriatic arthritis (PsA). Methods In this double-blind, ...

Omega-3s are fatty acids in your cell membranes. They affect many bodily functions from blood clotting to inflammation. Learn about what foods have them.