<p>Osteoarthritis is a painful joint disease, mostly impacting fingers, thumbs, knees, hips and spine. It's caused when the cartilage that cushions the bones at the joint wears away and allows the bones of the joint to rub together. Now, thanks to Oklahoma researchers, we know more about why it happens.</p>
Tuesday, March 29th 2016, 6:12 pm
By: News 9
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