BACKGROUND: Rheumatoid arthritis is a chronic inflammatory disorder that typically affects the small joints in your hands and feet. It can also affect other organs. Unlike the wear-and-tear damage of osteoarthritis, rheumatoid arthritis affects the lining of your joints, causing a painful swelling that can eventually result in bone erosion and joint deformity. It generally occurs between the ...

TUESDAY, Jan. 17 (HealthDay News) -- A process linked to natural cell aging has now also been associated with knee osteoarthritis, researchers say.

WEDNESDAY, Jan. 11 (HealthDay News) -- There is little evidence to support the widespread use of herbal medicines to relieve the symptoms of osteoarthritis, according to a review of these products.

Q I have a lot of discomfort from osteoarthritis. A friend suggested heat therapy. What is heat therapy, and does it work?

Elite male athletes who participate in high-contact sports such as football, soccer and rugby have a higher risk of developing knee and hip osteoarthritis than men who exercise little or not at all, a Swedish study found.