Arthritis is a complex disorder that comprises more than 100 distinct conditions and can affect people at any stage of life. Two of the most common forms are osteoarthritis and rheumatoid arthritis. These two forms have very different causes, risk factors, and effects on the body. The most common symptom in both is persistent joint pain. The joint pain of arthritis can appear as hip pain, knee pain, hand pain, or wrist pain, as well as joint pain in other areas of the body.
Ankylosing
