director of the NIH; he in turn reports to the secretary of the HHS, Xavier Becerra. NIEHS is composed of: Division of Intramural Research (DIR), which is research done at NIEHS Division of Extramural Research and Training, which funds research conducted elsewhere Division of the National Toxicology Program, which is an interagency program headquartered at NIEHS Notes and references External links National Institute of Environmental Health Sciences official website Environmental Health Sciences Environmental health organizations Medical and health organizations based in North Carolina Research institutes in North Carolina Medical research institutes in the United States