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Updated: Jan 30, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study
Published on: February 2, 2017
Multi-etiological Perspective on Child Obesity Prevention
Tom Baranowski1, Kathleen J Motil2, Jennette P Moreno2
1USDA/ARS Children's Nutrition Research Center, Department of Pediatrics, Baylor College of Medicine, 1100 Bates Street, Houston, TX, 77030, USA. tbaranow@bcm.edu.
Insights
The simple energy balance model fails to explain childhood obesity. New biological models focusing on gut microbiome, circadian rhythms, and infections are needed for effective prevention strategies.
Area of Science:
- Pediatric Endocrinology
- Obesity Etiology
- Behavioral Science
Background:
- The prevailing energy balance model of obesity is insufficient for understanding childhood obesity.
- Current pediatric obesity prevention strategies based on this model lack efficacy.
- Alternative biological factors contributing to obesity are under-researched.
Purpose of the Study:
- To highlight the limitations of the energy balance model in pediatric obesity.
- To introduce alternative biological etiologies for childhood obesity.
- To advocate for a more comprehensive biological model for obesity prevention.
Main Methods:
- Review of current literature on obesity etiology.
- Presentation of alternative etiological factors: infectobesity, gut microbiome, circadian rhythms.
- Discussion on the need for interdisciplinary collaboration.
Main Results:
- The energy balance model does not align with current findings on obesity.
- Infectobesity, gut microbiome, and circadian rhythms are proposed as key alternative etiologies.
- Behavioral interventions require integration with biological insights.
Conclusions:
- A paradigm shift from the simple energy balance model to a comprehensive biological model is crucial for pediatric obesity prevention.
- Interdisciplinary research involving behavioral scientists and biologists is essential.
- Innovative approaches like group risk analysis and cause-specific triaging are needed.
Purpose Of Review:
The simple energy balance model of obesity is inconsistent with the available findings on obesity etiology, prevention, and treatment. Yet, the most commonly stated causes of pediatric obesity are predicated on this model. A more comprehensive biological model is needed upon which to base behavioral interventions aimed at obesity prevention. In this light, alternative etiologies are little investigated and thereby poorly understood.
Recent Findings:
Three candidate alternate etiologies are briefly presented: infectobesity, the gut microbiome, and circadian rhythms. Behavioral child obesity preventive investigators need to collaborate with biological colleagues to more intensively analyze the behavioral aspects of these etiologies and to generate innovative procedures for preventing a multi-etiological problem, e.g., group risk analysis, triaging for likely causes of obesity.
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