Human Health Exposure Analysis Resource

The Human Health Exposure Analysis Resource, or HHEAR, seeks to advance understanding of the influence of the environment on human health over a lifetime. HHEAR provides researchers access to high-quality, exposure-assessment services including, state-of-the-art laboratory analysis of biological and environmental samples, statistical analysis, and expert consultation on exposure analysis, study design, and data analysis and interpretation. There is no cost to the investigator. Find out more about HHEAR.

Learn how to apply for HHEAR services

Create MYHHEAR Account

HHEAR Pilot and Feasibility Program

We are no longer accepting applications to the HHEAR Pilot and Feasibility (P&F) Program. Applications that were submitted by the due date are currently being reviewed.

HHEAR Brochure

Download and share the HHEAR Brochure (PDF) to promote HHEAR among colleagues who wish to add assessment of environmental exposures to their research on human health or expand their assessments.

Contact Us

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CHEAR Moving Forward

NIEHS funded the CHEAR program from 2015-2019 to provide NIH researchers access to laboratory and statistical analysis services for adding exposure assessment to their studies of children’s health. Moving forward, the CHEAR program has been replaced by HHEAR.

  • New requests for CHEAR services are no longer being accepted.
  • Researchers can search CHEAR studies and download public de-identified datasets through the CHEAR Data Center.
  • Researchers with active CHEAR projects can continue to access their myCHEAR account to track the progress of their projects

Go to myCHEAR

This resource is made available by grants from the National Institute of Environmental Health Sciences.