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Definition of NHLBI
Medically reviewed by Min Clinic Staff | Updated: January 2026
NHLBI: Stands for the National Heart, Lung, and Blood Institute, one of the National Institutes of Health in the U.S. The NHLBI's mission is to "provide leadership for a national research program in diseases of the heart, blood vessels, lungs, and blood and in transfusion medicine through support of innovative basic, clinical, and population-based and health education research."