The Science
Scientific Focus Areas
Providing global leadership in prevention and treatment of heart, lung, blood and sleep diseases involves a range of efforts – from consortiums and networks to dedicated programs with specific focus areas. Learn about the NHLBI-supported initiatives that span the research continuum.

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Research Feature
A portable device used to detect blood oxygen levels revolutionized the medical field 50 years ago and is now receiving essential updates Efforts to improve the accuracy of pulse oximetry readings for diverse...
Bethesda, Maryland