Blood test finds knee osteoarthritis up to eight years before it appears on x-rays

A blood test successfully predicted knee osteoarthritis at least eight years before tell-tale signs of the disease appeared on x-rays.

​A blood test successfully predicted knee osteoarthritis at least eight years before tell-tale signs of the disease appeared on x-rays. A blood test successfully predicted knee osteoarthritis at least eight years before tell-tale signs of the disease appeared on x-rays.