Cited by 997Regulation of Appetite and ObesityAdipose Tissue and MetabolismObesity, Physical Activity, Diet

Role of Nonexercise Activity Thermogenesis in Resistance to Fat Gain in Humans

Levine, James A., Eberhardt, Norman L., Jensen, Michael D.·1999·Science

Abstract

Humans show considerable interindividual variation in susceptibility to weight gain in response to overeating. The physiological basis of this variation was investigated by measuring changes in energy storage and expenditure in 16 nonobese volunteers who were fed 1000 kilocalories per day in excess of weight-maintenance requirements for 8 weeks. Two-thirds of the increases in total daily energy expenditure was due to increased nonexercise activity thermogenesis (NEAT), which is associated with fidgeting, maintenance of posture, and other physical activities of daily life. Changes in NEAT accounted for the 10-fold differences in fat storage that occurred and directly predicted resistance to fat gain with overfeeding (correlation coefficient = 0.77, probability < 0.001). These results suggest that as humans overeat, activation of NEAT dissipates excess energy to preserve leanness and that failure to activate NEAT may result in ready fat gain.

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Crossref · 10.1126/science.283.5399.212

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23 of 23 references verified0 citation errors · 0 not checkable

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  • In Levine et al., there was a wide range of individual responses; some participants showed a large increase in NEAT and gained little weight, whereas the opposite was true for others.

    “The most striking feature of the study however was the wide range of individual responses; some partcipants showed a large increase in NEAT and therefore gained little weight, whereas the opposite was true for others.”

    From Appetite control and energy balance: Impact of exercise (2015) · cites this paper as [50]

  • The system tended to oppose overfeeding through an increase in Non-Exercise Activity Thermogenesis (NEAT).

    “However, the system tended to oppose this action through an increase in behavioural activity - called Non-Exercise Activity Thermogenesis (NEAT).”

    From Appetite control and energy balance: Impact of exercise (2015) · cites this paper as [50]

  • In Levine et al., mandatory ingestion of 800 kcal/day above energy requirements over a 2 month period led to an increase in body weight.

    “Considering the impact of a coercive increase in food consumed, a landmark study by Levine et al. [50] has demonstrated that a mandatory ingestion of 800kcal/day above energy requirements over a 2 month period did indeed lead to an increase in body weight.”

    From Appetite control and energy balance: Impact of exercise (2015) · cites this paper as [50]

  • Lean and obese individuals differ in the energy dedicated to NEAT by an average of 350 kcal per day.

    “Indeed, lean and obese individuals are different in the energy dedicated to NEAT on average 350 kcal per day (equivalent to 30.3 pounds of fat over a year)112.”

    From Cellular bioenergetics as a target for obesity therapy (2010) · cites this paper as [112]

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Authors
Levine, J. A., Eberhardt, N. L., & Jensen, M. D.
Affiliations
Mayo Clinic (US)
Corresponding author
Jensen, Michael D.
Venue
Science
Published
1999-01-08
Volume
283
Issue
5399
Pages
212-214
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W1999763722
Cited by
997
References
23
Citations by year
2026: 11 · 2025: 12 · 2024: 19 · 2023: 16 · 2022: 20 · 2021: 26 · 2020: 25 · 2019: 19 · 2018: 31 · 2017: 46 · 2016: 38 · 2015: 49 · 2014: 43 · 2013: 38 · 2012: 58
FWCI
15.99
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute of Diabetes and Digestive and Kidney Diseases (P30DK050456, DK 45343, DK50456, R01DK045343)
  • National Center for Research Resources (M01 RR00535)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Obesity, Physical Activity, Diet
Keywords
overeating, energy expenditure, fat deposition, interindividual variability, fidgeting, posture, energy balance, weight gain
MeSH terms
Activities of Daily Living, Adipose Tissue, Adult, Basal Metabolism, Body Composition, Energy Intake, Calorimetry, Indirect, Energy Metabolism, Female, Humans, Hyperphagia, Male, Movement, Posture, Weight Gain, Exercise

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