Bad knees—we all know someone who has 'em. The acute pain often the result of Osteoarthritis, or degenerative arthritis as it's sometimes called—the most common type of arthritis. The disorder ...

Ankylosing spondylitis, also called Bechterew’s disease, is a form of arthritis that primarily affects the spine. It causes inflammation of the spinal joints, which can lead to chronic pain and ...

OA most commonly affects the knees, hips, spine, and small joints in the hands, including the proximal interphalangeal (PIP) ...