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.
US 30 in Chicago Heights. As of the census of 2010, there were 30,276 people, 9,587 households, and 7,077 families in the city. The population density was 3,003.6 people per square mile (1,160.0/kmÂ²). There were 11,060 housing units at an average density of 1,097.2 per square mile (423.8/kmÂ²).