Rheumatoid Arthritis Support Group
Rheumatoid arthritis is a chronic, inflammatory, multisystem, autoimmune disorder. It is a disabling and painful condition which can lead to substantial loss of mobility due to pain and joint destruction. The disease is also systemic in that it often also affects many extra-articular tissues throughout the body including the skin, blood vessels, heart, lungs, and...
"Researchers are also uncovering the complex relationships between the hormonal, nervous, and immune systems in rheumatoid arthritis. For example, they are exploring whether and how the normal changes in the levels of naturally produced steroid hormones (such as estrogen and testosterone) during a person's lifetime may be related to the development, improvement, or flares of the disease. Scientists also are researching how these systems interact with environmental and genetic factors. The results of this research may suggest new treatment strategies."
http://www.medicinenet.com/script/main/art.asp?articlekey=60768&page=6#toci