The relation of extended life to extended employment since the passage of social security in 1935.
D000367:Age Factors; D000368:Aged; D004651:Employment / Q000639:trends*; D005544:Forecasting; D006304:Health Status; D006801:Humans; D008017:Life Expectancy; D009316:National Institutes of Health (U.S.); D012179:Retirement; D012943:Social Security / Q000639:trends*; D014481:United States