Winter worsens joint pain in the elderly, especially for those with arthritis, affecting mobility. Cold temperatures and lack of sunlight intensify discomfort. Check out the causes are tips for relief ...
A rheumatoid factor (RF) test is a blood test that can help diagnose rheumatoid arthritis (RA). The test measures the amount of rheumatoid factor in your blood. Rheumatoid factor is an autoantibody ...