Preserving the HHEAR data repositoryThe chemical exposome,
The chemical exposome,
searchable and analyzable.
Explore 54 HHEAR cohorts and 202+ chemical exposures. Find studies, browse exposures and health outcomes, and correlate any phenotype with any exposure.
54Cohorts
202+Exposures
18Chemical classes
21,428Participants
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Which exposures are associated with BMI in cohort 1407?Give me BPA reference intervals for boys under 20What phenotypes correlate with phthalate exposure?Compare lead levels across HHEAR cohortsRun an ExWAS for birth weight in a pregnancy cohortWhich cohorts measured PFAS?Show the correlation between phthalate metabolitesWhat's the median cotinine in children?
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202 chemical exposures across 18 classes — phthalates, PFAS, metals, phenols, pesticides, and more.
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Open →The exposome at a glance
All analytes →Chemical classes measured across HHEAR
Polychlorobiphenyl43Phthalate28Trace Elements24Perfluoroakyl and Polyfluoroalkyl Substance18Universal Pesticide Metabolite in Urine13brominated flame retardant12polycyclic hydrocarbon12Organochlorine Pesticide8Organophosphorus Flame Retardant8Phenol7Dialkyl Phosphate Pesticide Metabolite6Oxidative Stress Marker6
39 catalogued studies
2017-1762
Biological Responses to Tobacco Smoke Exposure in Ill Children: Inflammatory Processes and Oral Metabolomic Profiles
CotinineTobacco Smoke Exposure
2017-1598Evaluation of Environmental Exposures in TEDDY
1-hydroxynaphthalene1-hydroxypyrene2-hydroxynaphthalene
2017-2121The Dynamics of Exposure, Phthalates and Asthma in a Randomized Trial (DEPART)
1-hydroxynaphthalene1-hydroxypyrene2-hydroxynaphthalene
2017-1729Air Pollution, Placenta Function, and Birth Outcomes in Los Angeles
1-hydroxynaphthalene1-hydroxyphenanthrene1-hydroxypyrene
2020-00605Role of environmental toxicants in obesity-related cardiovascular disease
2, 2', 3, 4, 4', 5', 6-Heptabromodiphenyl ether2, 2', 3, 4, 4'-Pentabromodiphenyl ether2, 2', 4, 4', 5, 5'-Hexabromodiphenyl ether
2016-34Relating Metals Exposure to Birth and Early Childhood Outcomes via the Metabotype of Cord Blood
ArsenicCadmiumCreatinine