Researchers in Sweden used the largest registry of twin siblings in the world to identify the differences in the etiology of knee osteoarthritis (OA). Their study, "Nature vs nurture in knee osteoarthritis - the importance of age, sex and body mass index," appears in the April 2019 edition of Osteoarthritis and Cartilage. Co-author Karin Magnusson, Ph.D.,The post Study of 31,265 Twins Finds More Knee Arthritis in Women appeared first on Consensus Orthopedics.