what arthritis is
Arthritis is inflammation of the joints (the points where bones meet) in one or more areas of the body. There are more than 100 different types of arthritis, all of which have different causes and treatment methods. The symptoms of arthritis usually appear gradually but they may also occur suddenly.ome forms of arthritis are caused by a reduction in the normal amount of this cartilage tissue. Osteoarthritis, one of the most common forms of arthritis, is caused by normal wear and tear throughout life; this natural breakdown of cartilage tissue can be exacerbated by an infection or injury to the joints.
Arthritis is very common but is not well understood. Actually, âarthritisâ is not a single disease; it is an informal way of referring to joint pain or joint disease. There are more than 100 different types of arthritis and related conditions.People of all ages, sexes and races can and do have arthritis, and it is the leading cause of disability in America.steoarthritis is the most common type of arthritis. When the cartilage â the slick, cushioning surface on the ends of bones â wears away, bone rubs against bone, causing pain, swelling and stiffness.