A monthly peer-reviewed journal of research and news published with support from the National Institute of Environmental Health Sciences (NIEHS), National Institutes of Health, U.S. Department of Health and Human Services.

EHP is open access, and all content is available for free online. [images used in articles may have been licensed from other commercial organizations or individuals. Such images will be labeled with an attribution to the original source and must not be used without obtaining prior approval from the copyright holder.]