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Environ Health Perspect. 2009 Feb;117(2):159-66. doi: 10.1289/ehp.11839. Epub 2008 Sep 12.

Environment and obesity in the National Children's Study.

Author information

  • 1Department of Community and Preventive Medicine, Mount Sinai School of Medicine, One Gustave L. Levy Place, Box 1043, New York, NY 10029 USA. leo.trasande@mssm.edu

Abstract

OBJECTIVE:

In this review we describe the approach taken by the National Children's Study (NCS), a 21-year prospective study of 100,000 American children, to understanding the role of environmental factors in the development of obesity.

DATA SOURCES AND EXTRACTION:

We review the literature with regard to the two core hypotheses in the NCS that relate to environmental origins of obesity and describe strategies that will be used to test each hypothesis.

DATA SYNTHESIS:

Although it is clear that obesity in an individual results from an imbalance between energy intake and expenditure, control of the obesity epidemic will require understanding of factors in the modern built environment and chemical exposures that may have the capacity to disrupt the link between energy intake and expenditure. The NCS is the largest prospective birth cohort study ever undertaken in the United States that is explicitly designed to seek information on the environmental causes of pediatric disease.

CONCLUSIONS:

Through its embrace of the life-course approach to epidemiology, the NCS will be able to study the origins of obesity from preconception through late adolescence, including factors ranging from genetic inheritance to individual behaviors to the social, built, and natural environment and chemical exposures. It will have sufficient statistical power to examine interactions among these multiple influences, including gene-environment and gene-obesity interactions. A major secondary benefit will derive from the banking of specimens for future analysis.

KEYWORDS:

National Children’s Study; bisphenol A; built environment; diet; endocrine disruptors; obesity; phthalates; physical activity

PMID:
19270782
[PubMed - indexed for MEDLINE]
PMCID:
PMC2649214
Free PMC Article

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