Skip to Main Navigation
Skip to Page Content

COVID-19 is an emerging, rapidly evolving situation.

Get the latest public health information from CDC and research information from NIH.

U.S. flag

An official website of the United States government

Dot gov

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Share This:
Rick Woychik new NIEHS Director

News Release

Woychik will lead research efforts on environmental influences on human health.

learn more

ICCVAM Main Logo

SACATM

September 2-3, 2020
Webcast

Meeting Details

Collage with images of human, cells, and math

Biennial Progress Report 2018-2019

Interagency Coordinating Committee on the Validation of Alternative Methods

Read Report

The text "Update Newsletter" on top of the NTP Logo

August NTP Update

Information about recent NTP activities and events.

Read Newsletter

Grassy meadow and forest with large trees

NTP Annual Report

NTP Annual Report for Fiscal Year 2019 now available.

Read the Report

Toxicology in the twenty first century

Tox21

The Tox21 Program characterizes potential toxicity of chemicals using cells and isolated molecular targets instead of laboratory animals.

Learn About Tox21

person's hand on the grass holding a plant

About NTP

Science you can depend on for decisions that matter.

The National Toxicology Program provides the scientific basis for programs, activities, and policies that promote health or lead to the prevention of disease. Founded in 1978, NTP plays a critical role in generating, interpreting, and sharing toxicological information about potentially hazardous substances in our environment. NTP strives to remain at the cutting edge of scientific research and the development and application of new technologies for modern toxicology and molecular biology.

A world leader in toxicology research, NTP has evaluated more than 2800 environmental substances for potential human health effects.

Learn More About NTP