Rheumatoid arthritis is a long-term disease that affects millions of people around the world. It happens when the body’s immune system mistakenly attacks healthy joints, causing pain, swelling, stiffness, and difficulty moving. Over time, the disease can damage joints and affect daily life. Many people with rheumatoid arthritis take medicines that reduce inflammation and help […] The post Scientists Discover a Big Hidden Cause of Rheumatoid Arthritis appeared first on Knowridge Science Report .