Osteoarthritis (OA) is one of the most common causes of joint pain and stiffness, but there is a lot more to it than simply “wear and tear.” Whether you are experiencing knee pain when walking, stiffness in your hips, or discomfort in your hands, understanding what is happening inside your joints can help you make informed decisions about your treatment and stay active doing the things you enjoy. Let’s break down what osteoarthritis is, what contributes to its development, an