Indiana University (IU) is a multi-campus public university system in the state of Indiana, United States. Indiana University has a combined student body of more than 110,000 students, including approximately 43,000 students enrolled at the Indiana University Bloomington campus and approximately 31,000 students enrolled at the Indiana University – Purdue University Indianapolis (IUPUI) campus. Indiana University Health (formerly Clarian Health Partners) cares about health care for all in the state of Indiana. As one of the largest health systems in the state, not-for-profit Indiana University Health owns or is affiliated with more than 20 hospitals and health centers throughout the state, including three major hospitals -- Methodist Hospital, Indiana University Hospital, and Riley Hospital for Children -- that serve the downtown Indianapolis area. The largest, Methodist Hospital, features the Methodist Research Institute, which conducts research and clinical trials. The system's hospitals also serve as teaching facilities for Indiana University's medical school.