Several studies have suggested that biologic Rx of Psoriasis may lower risk of later PsA. New study of nearly 2 million PSO (15k given biologic, 20K given oral Rx). The risk developing PsA higher w/ biologic (aHR 4.48) vs oral or phototherapy https://t.co/Na5EfWelkY https://t.co/6wOIm8P2gQ