Medicaid expansion becomes key issue in GOP-leaning states
Deadly attack amid Ebola outbreak stalls containment efforts
Immunotherapy scores a first win against some breast cancers
Heart transplant program changes chief after patient deaths
USC agrees to pay $215M to settle doctor sex abuse claims
National health initiative takes aim at sugar-packed foods
Hackers breach HealthCare.gov system, get data on 75,000
Laureates in Spanish awards call for action to "save future"
Journal retracts stem cell work by former Harvard scientist
EU drug agency urges approval for dengue vaccine
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