title: Disparity in health of rich and poor remains despite better health overall.
mesh_terms: D054598:Blue Cross Blue Shield Insurance Plans; D003226:Congresses as Topic; D006262:Health; D006296:Health Services / Q000592:standards* / Q000639:trends; D006304:Health Status; D006801:Humans; D012959:Socioeconomic Factors; D014481:United States