Related Health Information
Nearly 47 million people in the US have some form of arthritis or chronic joint symptoms.
About 300,000 children in the US have arthritis. Juvenile rheumatoid arthritis (JRA) is the most common form of juvenile arthritis.
Rheumatoid arthritis, the most crippling form of arthritis, affects approximately 1.3 million Americans and two to three times more women than men. Further, the average onset for rheumatoid arthritis is between the ages of 30 and 50 years old.
Lupus affects women about six to 10 times as often as men, and often occurs around the ages of 18 to 45.