1. What drives health care spending?: Can we know whether population aging is a 'red herring'? Publication: Chestnut Hill, MA : Center for Retirement Research at Boston College, c2009 Subject(s): Health Expenditures -- statistics & numerical dataHealth Expenditures -- trendsLongevityMortalityPopulation DynamicsTerminal Care -- economicsAge FactorsAgingBudgetsForecastingHealth TransitionLife ExpectancyHumansUnited States