Tackling the burden of chronic diseases in the USA.
D000368:Aged; D000369:Aged, 80 and over; D002908:Chronic Disease / Q000453:epidemiology* / Q000401:mortality / Q000517:prevention & control; D006293:Health Promotion / Q000639:trends*; D006801:Humans; D006278:Medicare / Q000191:economics*; D015995:Prevalence; D014481:United States / Q000453:epidemiology