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Updated: Jan 31, 2026

Oral Health Assessment by Lay Personnel for Older Adults
Published on: February 2, 2020
Understanding health disparities
David K Stevenson1, Ronald J Wong2, Nima Aghaeepour3
1Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, 94305, USA. dstevenson@stanford.edu.
Insights
Preterm birth, a leading global child mortality cause, is influenced by complex genome-exposome interactions. Understanding these interactions is key to reducing disparities and guiding effective interventions.
Area of Science:
- Reproductive biology
- Genetics
- Environmental health
Background:
- Preterm birth is the primary cause of mortality in children under five globally.
- Recent insights highlight complex interactions between genetic (genome) and environmental (exposome) factors in determining pregnancy outcomes.
- Understanding these intricate relationships is crucial for developing effective public health strategies.
Purpose of the Study:
- To describe analytic frameworks for understanding preterm birth determinants.
- To provide a common understanding of the complex interplay between genome and exposome in human health conditions.
- To guide research and interventions aimed at reducing preterm birth disparities.
Main Methods:
- Review and synthesis of recent research on preterm birth determinants.
- Exploration of analytic frameworks integrating genomic and exposomic data.
- Analysis of immunological and signaling processes in pregnancy.
Main Results:
- Human health conditions, exemplified by preterm birth, arise from complex genome-exposome interactions.
- New discoveries reveal intricate current and ancestral interactions between genetic and environmental forces influencing gestation.
- The complexity of these interactions necessitates sophisticated analytic approaches.
Conclusions:
- Understanding the genome-exposome interplay is essential for addressing preterm birth.
- Effective clinical and public health interventions require a comprehensive view of genetic and environmental influences.
- Further research into these complex interactions can help reduce health disparities and improve child survival rates.
Abstract:
Based upon our recent insights into the determinants of preterm birth, which is the leading cause of death in children under five years of age worldwide, we describe potential analytic frameworks that provides both a common understanding and, ultimately the basis for effective, ameliorative action. Our research on preterm birth serves as an example that the framing of any human health condition is a result of complex interactions between the genome and the exposome. New discoveries of the basic biology of pregnancy, such as the complex immunological and signaling processes that dictate the health and length of gestation, have revealed a complexity in the interactions (current and ancestral) between genetic and environmental forces. Understanding of these relationships may help reduce disparities in preterm birth and guide productive research endeavors and ultimately, effective clinical and public health interventions.
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