Find science-based health information on symptoms, diagnosis, treatments, research, clinical trials and more from NIH, the nation’s medical research agency., The National Institutes of Health (NIH) is a subdivision of the US Department of Health and Human Services responsible for conducting and supporting medical research to improve public health. The agency funds and conducts research in various fields of biomedical science, including the prevention, diagnosis, and treatment of diseases., The funds will also support preventative care, chronic disease management, behavioral health and healthcare workforce recruitment, while also investing in innovative care models and technology , 10 THINGS YOU NEED TO KNOW ABOUT THE NIH The National Institutes of Health supports remarkable scientific advances that improve and save lives, curb future healthcare spending, protect against international health threats, and help maintain global leadership. NIH is the largest public funder of biomedical research in the world., NIH is made up of 27 Institutes and Centers, each with a specific research agenda, often focusing on particular diseases or body systems., Grants & Funding The National Institutes of Health is the largest public funder of biomedical research in the world. The NIH invests most of its nearly $48 billion budget in medical research seeking to enhance life and to reduce illness and disability..