My grandma has these hard bumps forming on her finger joints near the nails. Why is this spreading?

by the breakdown of cartilage, the flexible tissue that cushions the ends of bones in a joint. When this cartilage deteriorates, the bones begin to rub together, causing pain, swelling, and stiffness.

In response, the body often forms osteophytes, or bone spurs, as a way to try to repair the damage and increase the surface area of the joint. These osteophytes continue reading …