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Osteoarthritis Health Center

Overview & Facts

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What is osteoarthritis? How do you know if you have it? Here you'll find answers about osteoarthritis, arthritis pain, and more.

What Is Osteoarthritis?

What exactly is osteoarthritis? Who is at risk for it? Learn all about osteoarthritis here.

The term arthritis covers more than 100 diseases. Get in-depth information about arthritis, including the most common types, and see what a normal joint looks like.

Doctors have discovered that inflammation plays a bigger role in osteoarthritis than once believed. Find out how inflammation affects your joints.


Aging and obesity are common causes in osteoarthritis development, but they're not the only ones. Learn more about what causes OA and see what an osteoarthritic joint looks like.

Are You at Risk?

Can cracking knuckles lead to joint problems? Get the facts and the fiction on knuckle cracking.


Find out what three steps you can take to help prevent osteoarthritis.

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