NCSChicago

The Greater Chicago Study Center (GCSC) is made up of teams from Northwestern University, University of Illinois at Chicago, the University of Chicago, and the National Opinion Research Center. The GCSC is conducting the National Children's Study (NCS) in Cook County.
The NCS is the largest, longest and most complete study of women's and children's health ever conducted in the US. The NCS will follow 100,000 children nationwide since birth to find out how environmental factors affect their health.