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 ...

Think before before you drink, scientists are warning, as your soda habit could quietly be killing you. Just two sweetened beverages a day, including sodas and fruit juices, could see you lose ...