Looking toward the future.
D000367:Age Factors; D003695:Delivery of Health Care / Q000639:trends*; D005544:Forecasting; D006801:Humans; D007354:Insurance, Major Medical / Q000639:trends; D006278:Medicare; D009310:National Health Insurance, United States; D011788:Quality of Life; D012943:Social Security; D014481:United States