title: Understanding Changes in Healthy Life Spans.
mesh_terms: D006233:Persons with Disabilities / Q000706:statistics & numerical data*; D005544:Forecasting; D006262:Health / Q000706:statistics & numerical data / Q000639:trends*; D006304:Health Status; D006801:Humans; D008017:Life Expectancy / Q000639:trends*; D014481:United States / Q000453:epidemiology