Rheumatoid Arthritis: Causes and Effects
Rheumatoid arthritis, commonly known as RA, is complex to understand owing to the way it develops and attacks the body. RA is an autoimmune disease occurring when the body’s tissues are mistakenly attacked by their own immune system. Immune system protects body from outside diseases. But when your own immune cells target internal body tissues, inflammation in joint start. RA causes chronic inflammation in joints.