Article Featured on US News OSTEOARTHRITIS IS THE most common type of arthritis, affecting 31 million people in the U.S., says Marcy O’Koon, senior director, consumer health, Arthritis Foundation. The degenerative joint disease commonly affects the hands, hips and knees. People with osteoarthritis often have thinning cartilage within a joint or joints. When such deterioration occurs, … Continue reading 6 Exercises for Osteoarthritis