Learn About Arthritis
The Arthritis Foundation is your source of information about arthritis, the #1 cause of disability. Here you can learn more about the diagnosis, treatment and management of this debilitating disease.
Striking one of every five adults and 300,000 children, arthritis is the leading cause of disability in the United States. Read more Arthritis Statistics
What is Arthritis?
Understanding Arthritis
Preventing & Managing Arthritis
Disease Center
Osteoarthritis
Rheumatoid Arthritis
Juvenile Arthritis
Other Forms of Arthritis

