The challenge of prevention.
D000056:Accident Prevention; D000293:Adolescent; D000328:Adult; D000368:Aged; D002561:Cerebrovascular Disorders / Q000401:mortality; D002648:Child; D002675:Child, Preschool; D003141:Communicable Diseases / Q000401:mortality; D005260:Female; D006331:Heart Diseases / Q000401:mortality; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D008875:Middle Aged; D009369:Neoplasms / Q000401:mortality; D011247:Pregnancy; D011314:Preventive Health Services / Q000639:trends*; D012306:Risk; D014481:United States