Rheumatoid arthritis: Definition, Epidemiology, Pathophysiology, Symptoms and Treatment
Rheumatoid arthritis (RA) is a disease where the immune system attacks the body, causing long-term inflammation. It mainly targets flexible (synovial) joints but can also affect other tissues and organs. RA often causes pain and stiffness, especially in the hands and feet, and can lead to disability and difficulty moving if not treated. A key … Read more
