FHN - Arthritis and your Feet Arthritis is a disease characterized by the inflammation of the cartilage and lining of the body's joints.
Inflammation causes redness, warmth, pain and swelling.
There are about 40 million Americans who suffer from arthritis. Arthritis is a major cause of foot pain. This is because each foot has 33 joints which can become affected by the disease. There are many different types of arthritis. The most common type is called osteoarthritis.