https://ntp.niehs.nih.gov/go/whatwestudy

What We Study

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Overview

Since its founding in 1978, NTP has studied almost 3,000 substances for a variety of health-related effects. We use a variety of approaches, including in vitro and in vivo studies, literature-based analysis, and computational models.

What We Study

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Highlighted Research Topics

Notable substances, exposures, and mixtures that have recently been studied by NTP. Go
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Health Effects Assessments

Learn how NTP is evaluating and integrating different types of evidence to inform public health decisions on effects from environmental exposures. Go
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Testing Program

Learn about the in vivo and in vitro study types used by NTP researchers and scientists. Go

New Approach Methodologies

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NICEATM: Alternative Methods

Learn how NTP supports the development and evaluation of new, revised, or alternative methods to identify hazardous substances. Go
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NTP Laboratory Research

Learn how laboratory research helps scientists identify and understand potential health-related issues for environmental exposures. Go
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Tox21

Learn about this interagency initiative to develop new ways to rapidly test whether substances have the potential to adversely affect human health. Go