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Environmental Factor

Environmental Factor

Your Online Source for NIEHS News

December 2025


Lawrence Kirschner, M.D., Ph.D.
Clinical Research Unit moves environmental health research forward

New medical director Lawrence Kirschner highlights the CRU’s role as a hub for translational studies connecting environmental exposures, genetics, and human health.

computer-generated map showing temperature measurements
Model to study extreme heat, related health effects advanced by NIEHS

Division of Translational Toxicology scientists develop valuable resources to understand temperature exposures and guide public health.

Video
Miriam Merad, M.D., Ph.D.
Macrophages represent an untapped target for new medicines

The immune cells protect tissues and drive inflammation, showing potential to combat aging, cancer, and chronic disease, says Falk lecturer.

Graphic displaying a female silhouette on pink background
Five things to know about breast cancer research

NIEHS scientists discuss how the long-term Sister Study is helping identify and prevent environmental contributors to breast cancer.

Anisha Singh, Ph.D. and Lisa Rider, M.D.
Two dozen trainees present at NIH-wide Research Festival

NIEHS fellows traveled to Bethesda, Maryland, to present their latest scientific findings alongside outstanding peers across NIH.

Slideshow
Christopher Bradfield, Ph.D.
Key protein serves as both an environmental sensor and drug target

Fundamental research on the aryl hydrocarbon receptor (AHR) has advanced toxicology and drug discovery, says Christopher Bradfield, Ph.D.

Jay Bhattacharya. M.D., Ph.D.
New NIH director addresses advisory council

Fall meeting also saw renewal of two important NIEHS research programs.

Casey and Hogberg
Panel recognizes federal efforts to advance nonanimal testing methods

Experts at federal meeting urged more collaboration and outreach efforts.

strategic framework graphic representation
NIEHS News in Brief

NIH Program on Health and Extreme Weather website; Superfund Research Program technology fair; sensors and metadata webinar.

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