What is rheumatoid arthritis?

In general, arthritis is a common pain condition marked by inflammation of the joints. The inflammation causes pain, swelling, and stiffness. Such inflammation is largely common to all types of arthritis.  

What is arthritis?

Arthritis is a common pain condition marked by inflammation of the joints. The inflammation causes pain, swelling, and stiffness. Arthritis can occur at any joint of the body.

There are different types of arthritis. The two most common are osteoarthritis and rheumatoid arthritis.