... ve principal domains.Federal Interagency Forum on Child and Family Statistics. 2009. America’s Children: Key National Indicators of Well-being, 2009. Washington, DC: U.S. Government Printing ... total income from several sources, including: earnings, retirement income, disability payments, interest income, and public assistance pro-grams. Both surveys also characterize total family in- come ... diseases in the industrial era, and degenerative dis-eases in our own era.34 Within this context, improving poor children’s health entails collective investments to reduce exposure to known toxins,...