Data from National Health and Nutrition Examination Survey (NHANES)
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Transcript of Data from National Health and Nutrition Examination Survey (NHANES)
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Year
Ave
rag
e B
od
y W
eig
ht (
kg)
Data from National Health and Nutrition Examination Survey (NHANES)
Avg Body Weight
US Obesity Epidemic
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∆Storage = Intake - Expenditure
Modeling weight gain
Energy storage
Food Intake
Energy expenditure
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(Simplified) Body weight model
RC circuit Leaky bucket (sort of)
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1970 1975 1980 1985 1990 1995 2000 2005 2010
Year
Pe
r C
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ita F
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d E
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rgy
(kca
l/d)
Predict Food Supply
Food Intake (model)
FAO Food Supply
KD Hall, J Guo, M Dore, CC Chow. PLoS ONE (2009)
USDA Loss Adjusted Food Availability
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1970 1975 1980 1985 1990 1995 2000 2005 2010
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kg)
Food supply more than explains obesity epidemic
Simulated Body Weight
NHANES Body Weight
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http://bwsimulator.niddk.nih.gov
iOS app is in the works
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Practical Guide to the Identification, Evaluation, and Treatment of Overweight and Obesity in Adults. NHLBI Obesity Education Initiative (2000).
3500 kcal per pound
Weight Loss Rule of Thumb
The New Rule
10 Calories/day will produce a 1 pound loss in three years
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Acknowledgments
Heather Bain, Michael Dore, Juen Guo, Gary Sacks, Boyd Swinburn, Vipul Periwal, Kevin Hall
References and slides at sciencehouse.wordpress.com