Boston Children’s Hospital is one of the largest pediatric health care centers in the United States. They offer a complete range of health care services for children from birth through 21 years of age. Boston Children’s Hospital is dedicated to improving and advancing the health and well-being of children around the world through its life-changing work in clinical care, biomedical research, medical education and community engagement. It is home to the world's largest pediatric research enterprise, and it is the leading recipient of pediatric research funding from the National Institutes of Health. It is the primary pediatric teaching hospital for Harvard Medical School. Boston Children’s treats more children with rare diseases and complex conditions than any other hospital.