Cited by 169Regulation of Appetite and ObesityObesity, Physical Activity, DietBody Composition Measurement Techniques

Is obesity associated with altered energy expenditure?

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Carneiro, Isabella P, Elliott, Sarah A, Siervo, Mario, Padwal, Raj, Bertoli, Simona, Battezzati, Alberto, Prado, Carla M·2016·Advances in Nutrition

Abstract

Historically, obese individuals were believed to have lower energy expenditure (EE) rates than nonobese individuals (normal and overweight), which, in the long term, would contribute to a positive energy balance and subsequent weight gain. The aim of this review was to critically appraise studies that compared measures of EE and its components, resting EE (REE), activity EE (AEE), and diet-induced thermogenesis (DIT), in obese and nonobese adults to elucidate whether obesity is associated with altered EE. Contrary to popular belief, research has shown that obese individuals have higher absolute REE and total EE. When body composition (namely the metabolically active component, fat-free mass) is taken into account, these differences between obese and nonobese individuals disappear, suggesting that EE in obese individuals is not altered. However, an important question is whether AEE is lower in obese individuals because of a decrease in overall physical activity or because of less energy expended while performing physical activity. AEE and DIT could be reduced in obese individuals, mostly because of unhealthy behavior (low physical activity, higher intake of fat). However, the current evidence does not support the hypothesis that obesity is sustained by lower daily EE or REE. Future studies, comparing EE between obese and nonobese and assessing potential physiologic abnormalities in obese individuals, should be able to better answer the question of whether these individuals have altered energy metabolism.

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  1. Carrasco F, Reyes E, Núñez C, Riedemann K, Rimler O, Sánchez G, Sarrat G. ]Resting energy expenditure in obese and non-obese Chilean subjects: comparison with predictive equations for the Chilean population.] Rev Med Chil 2002;130:51-60 (in Spanish).

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Authors
Carneiro, I. P., Elliott, S. A., Siervo, M., Padwal, R., Bertoli, S., Battezzati, A., & Prado, C. M.
Affiliations
  • Newcastle University (GB)
  • University of Alberta (CA)
  • University of Milan (IT)
Corresponding author
Prado, Carla M
Venue
Advances in Nutrition
Publisher
Elsevier BV
Published
2016-05
Volume
7
Issue
3
Pages
476-487
ISSN
  • 2156-5376 (ISSN-L)
  • 2161-8313
OpenAlex
W2407776369
Cited by
169
References
63
Citations by year
2026: 9 · 2025: 18 · 2024: 26 · 2023: 12 · 2022: 16 · 2021: 23 · 2020: 20 · 2019: 14 · 2018: 14 · 2017: 15 · 2016: 2
FWCI
1.60
Type
journal article
Language
en
Open access
Locations
  • Advances in Nutrition (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Newcastle University ePrints (Newcastle Univesity)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Obesity, Physical Activity, Diet
  • Health Sciences › Medicine › Physiology › Body Composition Measurement Techniques
Keywords
obesity, energy expenditure, resting energy expenditure, physical activity energy expenditure, diet-induced thermogenesis, body composition, fat-free mass, physical activity, energy balance, energy metabolism
MeSH terms
Basal Metabolism, Body Composition, Dietary Fats, Energy Metabolism, Humans, Obesity, Rest, Weight Gain, Exercise, Body Mass Index, Sedentary Behavior

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