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Modeling the Obesity Epidemic: Understanding Body Weight Changes

Explore the factors contributing to the obesity epidemic through a model based on National Health and Nutrition Examination Survey data. Learn about weight gain, food intake, energy expenditure, and energy storage to better understand body weight changes. Discover how the concept of energy storage vs. intake and expenditure can be simplified using analogies like RC circuits and leaky buckets. Dive into the relationship between food supply, food intake, and obesity. Gain insights from the research of KD Hall, J Guo, M Dore, CC Chow, and others. Find practical tips for weight loss and obesity management based on the New Rule of 10 Calories per day. Access a practical guide to identification, evaluation, and treatment of overweight and obesity in adults.

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Modeling the Obesity Epidemic: Understanding Body Weight Changes

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  1. US Obesity Epidemic Avg Body Weight Data from National Health and Nutrition Examination Survey (NHANES)

  2. Modeling weight gain Food Intake Energy expenditure Energy storage ∆Storage = Intake - Expenditure

  3. (Simplified) Body weight model RC circuit Leaky bucket (sort of)

  4. Predict Food Supply FAO Food Supply USDA Loss Adjusted Food Availability Food Intake (model) KD Hall, J Guo, M Dore, CC Chow. PLoS ONE (2009)

  5. Food supply more than explains obesity epidemic Simulated Body Weight NHANES Body Weight

  6. http://bwsimulator.niddk.nih.gov iOS app is in the works

  7. Weight Loss Rule of Thumb The New Rule 10 Calories/day will produce a 1 pound loss in three years 3500 kcal per pound Practical Guide to the Identification, Evaluation, and Treatment of Overweight and Obesity in Adults. NHLBI Obesity Education Initiative (2000).

  8. Acknowledgments Heather Bain, Michael Dore, Juen Guo, Gary Sacks, Boyd Swinburn, Vipul Periwal, Kevin Hall References and slides at sciencehouse.wordpress.com

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