Examination of the changes in the United States which affect the health of children and youth.
D000293:Adolescent; D000328:Adult; D001294:Attitude to Health; D002648:Child; D002662:Child Health Services; D002675:Child, Preschool; D003191:Comprehensive Health Care; D003710:Demography; D004782:Environmental Health; D005191:Family Characteristics; D005260:Female; D006262:Health; D006801:Humans; D007857:Leadership; D008297:Male; D010548:Personal Health Services; D012922:Social Change; D012924:Social Conditions; D012939:Social Planning; D012959:Socioeconomic Factors; D013672:Technology; D014481:United States; D014495:Universities; D014507:Urbanization