Report documents improvement in Americans' health.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005544:Forecasting; D006293:Health Promotion / Q000639:trends*; D006304:Health Status; D006306:Health Surveys; D006801:Humans; D007223:Infant; D008875:Middle Aged; D015397:Program Evaluation