Introduction: health projections of an aging kind.
D000368:Aged; D005260:Female; D006262:Health / Q000639:trends*; D006299:Health Services for the Aged / Q000639:trends*; D006304:Health Status / Q000639:trends*; D006801:Humans; D008017:Life Expectancy; D008297:Male; D011153:Population; D014481:United States