Rheumatoid arthritis is a chronic inflammatory disorder that can harm not only the joints but different parts of the body. In some cases, the condition can affect different systems of the body, including the skin, eyes, lungs, heart and blood vessels. This disorder occurs when your immune system wrongfully attacks your own tissues.
In contrast with the wear-and-tear damage of osteoarthritis, rheumatoid arthritis affects the lining of the joints, resulting in a painful swelling that can eventually result in bone erosion and joint deformity.
The inflammation caused by the rheumatoid arthritis is what can damage other parts of the body as well. Thanks to improvements in medicine, treatments for this disorder offer people a better quality of life.