Arthritis means inflammation of the joints. There are over a hundred different ways joints can become inflamed. Arthritis is a disabling condition as inflamed joints are harder to move. The most common forms of arthritis are Osteoarthritis and Rheumatoid arthritis. Osteoarthritis of weight bearing joints like the knee is much more frequent in patients who are overweight. Unless patients with this type of osteoarthritis can lose weight their outcome is worse. There is an arthritis epidemic in the western world and the fast food industry adds to the epidemic.