Insuring against financial risk.
D000368:Aged; D002388:Catastrophic Illness / Q000191:economics*; D006291:Health Policy / Q000639:trends*; D006801:Humans; D007354:Insurance, Major Medical / Q000331:legislation & jurisprudence*; D008134:Long-Term Care / Q000191:economics; D008484:Medicaid; D006278:Medicare; D011203:Poverty; D014481:United States