life expectancy. Sometimes the terms âlife spanâ and âlife expectancyâ are used interchangeably, but they have different meanings.
Results: Causes of Sudden onset of knee pain OR Unexplained bruising. 2. 3. A disease of the blood characterized by abnormal hemoglobin in the blood. The abnormality usually arises from a genetic defect which results in the hemoglobin have an abnormal structure.
1 It often develops at the site of a previous injury. Other types of arthritis, such as rheumatoid arthritis, gout, and lupus, also can cause knee pain, swelling, and stiffness.  Osgood-Schlatter disease causes pain, swelling, and tenderness in the front of the knee below the kneecap.