National Heart, Lung, and Blood Institute (NHLBI)

The U.S. National Heart, Lung, and Blood Institute (NHLBI) provides global leadership for a research, training, and education program to promote the prevention and treatment of heart, lung, and blood diseases and enhance the health of all people. The NHLBI web site contains a wide range of 'open' health information, software tools, mobile apps, education & training materials, and more.