The NCS was a planned large-scale, long-term study of U.S. children and their mothers and fathers designed to study environmental influences on child health and development. It was authorized by the Children's Health Act of 2000.
Participants: Find answers to your questions
Researchers: Access NCS data
The Federal Register published notice of the 30-day comment period for the NCS Data and Sample Archive and Access System information collection request. The official document is available online at
http://www.gpo.gov/fdsys/pkg/FR-2015-09-04/pdf/2015-22006.pdf (PDF - 189 KB). Further information about plans and rollout of the NCS Archive will be posted on this page in October.