Studies at NIEHS focus on how the environment affects people in order to promote healthier lives. Two intramural divisions, the Division of Intramural Research and the Division of Translational Toxicology, conduct research at NIEHS.

NIEHS funds a substantial portfolio of research in the field of environmental health sciences conducted by investigators in many disciplines from various organizations. These research activities span the range from basic mechanistic research to clinical and epidemiologic studies using human subjects.

NIEHS staff works together to investigate concerns to human health across the globe, from chemical spills to epigenetics. Learn about our cross-cutting research initiatives.

Browse or search research highlights from NIEHS scientists since its founding in 1966.

NIEHS connects and engages educators, students, and scientists with access to our collection of resources. Download scientific software, use NIEHS and NTP protocols, search our databases, and more.

Sharing scientific data accelerates biomedical research discovery by enabling validation of research results, providing accessibility to high-value datasets, and promoting data reuse for future research studies.