Blood test finds knee osteoarthritis up to 8 years before it appears on X-rays

1 of 2 | The ability to detect knee osteoarthritis with a blood test up to eight years before it appears on X-rays -- as researchers have done -- could lead to therapies that delay disease progression and restore joint health. Photo by cottonbro studio/Pexels NEW YORK< April 26 (UPI) -- The ability to detect knee osteoarthritis with a blood test up to eight years before it appears on X-rays -- as researchers have done -- could lead to therapies …