The National Children's Study, undertaken in 2000 by collaboration among several federal government agencies led by NICHD, CDC, and EPA, is one of the largest and boldest longitudinal study of children's health ever undertaken. One of the key design issues has been the nature of the NCS sample....

Agriculture is Pennsylvania's single largest industry and migrant farm workers constitute a significant portion its labor force. Their contributions harvesting and processing farm crops have a positive economic impact on the farms and communities where they work and live. Each year approximately...

One in five children under the age of six in the United States is a child of immigrant parents, making children of immigrants the fastest growing child population in the Unites States. Though 93 % of children of immigrants are US citizens, federal assistance programs meant to provide a safety...