The personification of osteoarthritis may look like a fiend or a demon, trying to bring you to your knees (Pun intended).  Osteoarthritis (OA) is a degenerative joint disease, in which the tissues in the joint break down over time. It is the most common type of arthritis and is more common in older people. People with osteoarthritis usually have joint pain and, after rest or inactivity, stiffness for a short period of time.  The global prevalence of knee OA was 16% in individuals aged 15 and over and  22.9% in …