We Asked an Orthopedist How to Keep Your Knees Healthy as You Age

Almost one in four adults over 40 has knee osteoarthritis, a common knee issue that occurs when cartilage in joints wears away from use. While you can't fully prevent knee osteoarthritis, we asked Steven Svoboda, MD, a board-certified orthopedic surgeon at MedStar Washington Hospital Center, how you can keep your knees healthy as you age.