The UAB Division of Rheumatology and Immunology is conducting a study to research the effects of Rheumatoid Arthritis on muscle strength and insulin. To qualify, you must be between the ages of 35 and 65, not be diagnosed with diabetes or any other illness that may impair evaluation of study outcomes, and do not engage in a strength training program or vigorous exercise. All participants will be required to come to UAB for testing on 3 or more occasions and qualified RA participants will receive a 15-week regimen of the study drug. There is no charge for participation and all participants will receive compensation. For more information, and to see if you might be eligible to join, call (205) 934-4021.