The hallmark symptoms of rheumatoid arthritis (RA) are painful, stiff, and swollen joints, but this autoimmune condition can damage other tissues and organs as well, including the body's largest organ ...

More than 40% of people diagnosed with rheumatoid arthritis actually have a different condition. Viral and bacterial infections can cause symptoms like rheumatoid arthritis but often resolve on their ...

Skin infections may be a side effect of certain medications. * THE QUESTION To control the swelling of rheumatoid arthritis, some people take drugs that target a protein that also is key to ...