One goal of knee replacement surgery for arthritis patients is to improve mobility and pain, but in many cases, pain after surgery presents a new issue for these patients.

Millions of Americans take glucosamine supplements to help improve cartilage damage in their joints, but a new study suggests the supplements may not be helping.

Sometimes called the sunshine vitamin, vitamin D may play an important role in keeping older adults healthy, according to one new study.

Rheumatoid arthritis can be treated with a variety of medications, depending on what works best for a patient. Sometimes, however, effective medications come with unwanted side effects.

For kids with arthritis, painful joints can limit activity. Trying to sort out the relationship between pain and activity in these kids could mean better therapies and quality of life.

Sjögren’s syndrome is an autoimmune disease that causes dry mouth and dry eyes. A recent study tested whether Sjögren’s patients would respond to a medication sometimes used for other autoimmune disorders.

In the 1950s, people thought lupus was a rare disease. Then over the years, studies found lupus rates that varied widely. Now, two new studies suggest the disease may be more common than previously thought.

The goal of treating rheumatoid arthritis (RA) is to dial down disease activity and provide relief from the pain, stiffness, joint damage and functional problems. A recent study highlighted one treatment that may help.

Inflammation in arthritis clearly causes joint pain, but it has been tied to heart troubles too. A new study explored if more time with arthritis might affect the risk for heart issues.

People with severe rheumatoid arthritis (RA) can be depressed about their health situation and anxious about what lies ahead. A new study looked at just how many people with RA were depressed.