Osteoarthritis guidelines author, Dr. Tuhina Neogi schools us on all things OA, including your questions from Twitter American College of Rheumatology (ACR) osteoarthritis guidelines author, Dr. Tuhina Neogi (Boston University; @Tuhina_Neogi ) schools us on all things OA, including new understandings of pathophysiology, diagnosis, when to order imaging and labs, and an overview of pharmacologic