"Umbrella" projects are questioning what is, what will be, what should be the status of the aged.
D000368:Aged; D003469:Culture; D004467:Economics; D005381:Financing, Organized; D005544:Forecasting; D005582:Foundations; D006285:Health Planning; D006801:Humans; D007255:Information Services; D011153:Population; D012106:Research; D012179:Retirement; D012959:Socioeconomic Factors; D014481:United States; D014937:Work