Human Health Exposure Analysis Resource

The Human Health Exposure Analysis Resource, or HHEAR, is a program funded by the National Institute of Environmental Health Sciences (NIEHS), the National Cancer Institute (NCI) and the National Heart, Lung, and Blood Institute (NHLBI), and Environmental Influences on Child Health Outcomes (ECHO). The purpose of HHEAR is to advance understanding of the influence of 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.

HHEAR measures exposures that cover the breadth of the “exposome,” which encompasses all environmental exposures including chemical, physical, and biological stressors, as well as lifestyle and social environments, from conception through adulthood.

HHEAR is designed to provide researchers access to the full range of environmental exposures assessment services for their funded epidemiological and clinical health studies, including:

  1.  Studies wishing to add exposure analysis to their existing data; and 
  2.  Studies that have collected exposure data but seek more extensive, exposome-scale analysis.

Create MYHHEAR Account

Next Application Submission and Review Date

Round 5 Initial Application Submission Deadline: January 8, 2021

See the full Application Submission and Review Schedule or find out more about how to apply for HHEAR services.

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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 Moving forward, the CHEAR program has been replaced by HHEAR.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