Chemical pathology is the study of the cause and progress of diseases by using chemistry and other laboratory study. A chemical pathologist uses biochemical data from the study of tissues, cells and fluids from the body to aid in detecting, confirming and monitoring diseases. This specialist can act as a clinical consultant in the diagnosis and treatment of diseases.

Doctor density varies by specialty and location. Illinois has 6 practicing chemical pathologists. Broken out by city, chemical pathology doctor density in Bloomington is 1, in Chicago is 2, in Danville is 1, in Mattoon is 1, in Peoria is 1, in Sparta is 1, in Springfield is 1, in Taylorville is 1, and in Urbana is 1.

Most people think that Chicago, because of its size and popularity, is Illinois’ capital city, but that distinction belongs to Springfield, home of the Abraham Lincoln Museum. Illinois has hundreds of museums, numerous yearly art and ethnic festivals, a lakeshore bordering Lake Michigan, and the many national forests and parks that offers visitors camping, horseback riding, biking, kayaking, and fishing. Chicago is home to the Sears Tower, the Shedd Aquarium, the Art Institute of Chicago, the Adler Planetarium, the Museum of Science and Industry, and other cultural opportunities and restaurants in the Navy Pier area.

According to 2005 Census estimates, Illinois has a population of 12,763,371. Of this population, 3,172,677 are under the age of 18 and 1,523,937 are at or above the age of 65.