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Arthritis is not a single disease. There are over 100 types of arthritis and related rheumatic conditions. Men, women, children and people of all racial and ethnic groups are affected. Arthritis is not just an older person’s disease. According to the CDC (Centers for Disease Control and Prevention), nearly two-thirds of people with arthritis are younger than age 65.

Some forms of arthritis are more common than others. The CDC reports, the most common are osteoarthritis, gout, rheumatoid arthritis, and fibromyalgia. Overlapping symptoms can make some types of arthritis difficult to diagnose, but each type has prominent characteristics. How much do you know about arthritis? Take our quiz Test Your Knowledge: Types of Arthritis and Rheumatic Conditions.

Photo by Sonja Foos (iStockphoto)

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