In 2005, the mutual insurance company became NGM Insurance Company with the conversion to a mutual holding company structure and the formation of Main Street America Mutual Holdings Inc. The company also redomesticated to the State of Florida.
Rheumatoid arthritis (RA) is an autoimmune disease that causes inflammation of the joints. Because many symptoms of RA are similar to those of a variety of other diseases, diagnosis can be difficult. A correct diagnosis requires clinical evaluation, X-rays, and a series of laboratory tests.
The most common type of spinal arthritis is osteoarthritis. It is a degenerative disease most often associated with aging and traumatic injury. Many cases of osteoarthritis have no known cause, but risk factors include: 1  Age â osteoarthritis cases usually appear around age 45.he most common are rheumatoid arthritis and osteoarthritis. Rheumatoid arthritis (RA) is an autoimmune disease of connective tissue. It affects synovial lining, the thin membrane that covers inside of joint capsules and articular cartilage. RA causes white blood cells to turn against this membrane.