The CCP antibody test helps to diagnose RA and can be useful in identifying people with a more rapidly erosive form of the disease. RA is a chronic, systemic autoimmune disease that causes inflammation, pain, stiffness, and destructive changes in the hands, feet, and other joints throughout the body.
As you can see from the map above, most of the Illinois population is based in the North East of the state. Chicago, home to 2,695,598 people, remains the largest city in Illinois. It dwarfs the state's other cities â the next largest is Aurora, with 197,899 people.
Steger, IL. Sponsored Topics. The village of Steger (35 miles south of Chicago) lies along the dividing line on the south end of Cook County and north end of Will County in the U.S. state of Illinois. The population was 9,682 at the 2000 census, and estimated to be 10,409 as of 2005.