“Rheumatism” or “arthritis” are general terms that mean “joint’s disease”, so they mean any disease that affects the joints, however many people associate them with the “old age” rheumatism, which is called osteoarthritis or the “tear and wear” arthritis, and this form of rheumatism is widespread because it will basically affect everyone after certain age, usually starting around the age of forty but it is only a small portion of “rheumatism”.