Physical therapy often just as good as surgery for knee problem

Either physical therapy or arthroscopic surgery can relieve pain and improve mobility in patients with a torn meniscus and arthritis in the knee, according to researchers from Washington University School of Medicine in St. Louis and six other centers. But the results are not simple because many of the patients assigned to physical therapy eventually had surgery.

Obesity, aging genes may play role in arthritis

Studying gene activity in tissue removed from injured knees, researchers at Washington University School of Medicine in St. Louis have found that genes related to obesity and aging may contribute to the development of osteoarthritis, the most common knee disorder and the most common disorder in all of the joints.