Prospective medicine: past, present and future.
D005260:Female; D006293:Health Promotion / Q000379:methods*; D006305:Health Status Indicators; D006306:Health Surveys; D006801:Humans; D008297:Male; D008487:Medical History Taking; D008875:Middle Aged; D011315:Preventive Medicine / Q000639:trends*; D011379:Prognosis; D012306:Risk; D014481:United States