• What Is Osteoarthritis?
• Who Has Osteoarthritis?
• How Does Osteoarthritis Affect People?
• Osteoarthritis Basics: The Joint and Its Parts
• How Do You Know if You Have Osteoarthritis?
• How Do Doctors Diagnose Osteoarthritis?
• How Is Osteoarthritis Treated?
• Be a Winner! Practice Self-Care and Keep a "Good-Health Attitude"
• Current Osteoarthritis Research
• Hope for the Future
• Additional Osteoarthritis Resources

Osteoarthritis is one of the most frequent causes of physical disability among adults. More than 20 million people in the United States have the disease. By 2030, 20 percent of Americans--about 70 million people--will have passed their 65th birthday and will be at risk for osteoarthritis. Some younger people get osteoarthritis from joint injuries, but osteoarthritis most often occurs in older people. In fact, more than half of the population age 65 or older would show x-ray evidence of osteoarthritis in at least one joint. Both men and women have the disease. Before age 45, more men than women have osteoarthritis, whereas after age 45, it is more common in women.

How Does Osteoarthritis Affect People?

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