RA most commonly af ects the joints of the hands, feet, wrists, elbows, knees and ankles. The risk factors include age, The knee. It usually affects the same joints on both sides of the body. That’s why it’s important to get prompt diagnosis and proper treatment of RA Rheumatoid arthritis (room-a-toyd arth-rye-tus) is a long-term condition that can cause pain, swelling and stifness in your joints. It can afect people of all ages – even children and teenagers This is probably because your knee h