What is the national institute of health?

The National Institutes of Health (NIH) is a part of the U.S. Department of Health and Human Services and is the nation's medical research agency. It is composed of 27 institutes and centers, each focusing on specific areas of health research. The NIH conducts and funds medical research to improve public health, prevent diseases, and enhance healthcare practices. It plays a crucial role in advancing scientific knowledge and biomedical innovations.