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.
Chicago emerged as a primary destination for Hungarian immigrants at the end of the nineteenth century. From only 159 in 1870, Chicago's Hungarian population increased dramatically, to 1,841 in 1890, 7,463 in 1900, 37,990 in 1910, and 70,209 in 1920.