Arthroscopy no more effective than meds, physical therapy: study
                                
                                
                                    (Newser) -
                                    Arthroscopic surgery, performed on almost a million Americans every year, is a useless treatment for arthritis of the knee, a new study reports. Researchers found that 178 arthritic patients who had surgery, physical therapy, and medication fared no better than patients who had medication and therapy alone. The procedure, which...