Osteoarthritis: Explained With Pictures
From Carol Eustice, former About.com Guide
Updated November 20, 2011
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
Osteoarthritis is one of more than 100
types of arthritis and related diseases. Osteoarthritis is the most prevalent type of arthritis. In the United States, about 27 million people live with the disease. Osteoarthritis is most common among adults over 65 years old but people of any age can develop the disease. Prevalence rises significantly after age 50 in men and after age 40 in women. According to the American College of Rheumatology, 70 percent of people over the age of 70 have
x-ray evidence of osteoarthritis.