IT MIGHT BE IN YOGA CLASS when you first feel it—when did downward dog start getting so hard on the wrists? Or it could be at your weekly squash or tennis game that you notice your knees screaming back at you whenever you pivot. Chances are, it’s arthritis, which isn’t just an “old-people” problem: it usually kicks in between the ages of 40 and 60.
By far the most common type of arthritis is osteoarthritis. It’s usually the result of decades of physical activity that wears down the cartilage in our joints. That’s the rubbery, frictionless tissue that acts as a shock-absorber between bones. After years of wear and tear, or an injury such as a fracture or dislocation, that cushion can harden and fray like a dried-out rubber band, causing the entire joint to become inflamed and painful (the word arthritis comes from the Greek word arthro, which means “joint,” and itis, which means “inflammation”).
Osteoarthritis, or OA, is diagnosed in two-thirds of people who experience any sort of joint pain. According to a nation-wide survey done
