Indianapolis is a Midwestern health care hub and home to the state's only medical school. Indianapolis's four major health care systems are Community Health Network, with five hospitals and several outpatient facilities; Clarian Health, with three hospitals including the Riley Hospital for Children and the Indiana University Hospital; St. Francis Hospital and Health Centers, and St. Vincent Hospitals and Health Services. Clarian is the city's largest system, with three hospitals in the city containing a total of 1,322 beds. The city of Indianapolis is divided into four quadrants, each one dominated by one of the city's four main health care systems.
A significant force in the regional medical community is the Indiana University Medical Center, affiliated with the second-largest medical school in the nation. With a faculty of more than 1,100, research is conducted in a variety of areas, including cancer, diabetes, Alzheimer's disease, genetics, and others.
Based in Indianapolis is the national headquarters of a major physical fitness organization, the American College of Sports Medicine, which conducts studies on and aims to increase awareness about physical activity. Local hospitals and private groups offer a diversity of health and fitness programs, ranging from stress management to nutrition and biofeedback therapy.