Rheumatoid arthritis is the most common chronic autoimmune disease, characterised by excruciating pain, & inflammation amongst other symptoms. Rheumatoid arthritis, is a debilitating condition that affects a large number of the world’s population, symptoms of RA normally start over the age of thirty, women tend to be far more likely to suffer with RA than men. A version of RA is known to affect children, known as juvenile rheumatoid arthritis.