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Environmental exposures that affect the endocrine system: public health implications
1Division of Toxicology, Agency for Toxic Substances and Disease Registry, Public Health Service, U.S. Department of Health and Human Services, Atlanta, Georgia 30333, USA. CYDO@CDC.GOV
Summary
Environmental endocrine disruptors pose risks to human and animal health by interfering with hormone systems. Research highlights their widespread presence, mechanisms of action, and potential transgenerational effects, necessitating new screening and monitoring methods.
Area of Science:
- Environmental Toxicology
- Endocrinology
- Public Health
Background:
- Growing concern over xenobiotic chemicals disrupting endocrine systems in humans and wildlife.
- Endocrine-disrupting chemicals (EDCs) are ubiquitous in the environment, leading to significant human body burdens.
Purpose of the Study:
- To provide an overview of implicated endocrine-disrupting chemicals.
- To review their environmental presence, mechanisms of action, and health implications.
- To discuss the potential for combined toxic effects and transgenerational impacts.
Main Methods:
- Literature review of chemicals implicated as endocrine disruptors.
- Analysis of environmental ubiquity and human body burdens.
- Examination of mechanisms involving intracellular receptors and physiological processes.
- Review of wildlife as sentinels for human health effects.
Main Results:
- EDCs interact with intracellular receptors, altering physiological processes during development.
- Chemical mixtures may exhibit joint toxic actions.
- Wildlife populations serve as indicators of potential human health risks.
Conclusions:
- Evidence supports the role and impact of endocrine disruptors on health.
- Special emphasis is placed on potential transgenerational effects in exposed populations.
- Recommendations include developing advanced screening methods, biomarkers, and sentinel systems for EDCs.