Can Anti-Inflammatory Diet Improve Rheumatoid Arthritis Symptoms? Rheumatoid arthritis (RA) is a systemic and chronic autoimmune disease. Your immune system mistakenly attacks your own body cells, leading to systemic inflammation and joint damage. Studies show that RA affects 0.5–1% of the world’s population. Severe inflammation destroys your joints slowly, leading to chronic pain and fatigue. […]