Cited by 1,612Obesity, Physical Activity, DietObesity and Health PracticesAdipokines, Inflammation, and Metabolic Diseases

Obesity: a chronic relapsing progressive disease process. A position statement of the World Obesity Federation

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Bray, G.A., Kim, K.K., Wilding, J.P.H., on behalf of the World Obesity Federation·2017·Obesity Reviews

Abstract

Summary: This paper considers the argument for obesity as a chronic relapsing disease process. Obesity is viewed from an epidemiological model, with an agent affecting the host and producing disease. Food is the primary agent, particularly foods that are high in energy density such as fat, or in sugar‐sweetened beverages. An abundance of food, low physical activity and several other environmental factors interact with the genetic susceptibility of the host to produce positive energy balance. The majority of this excess energy is stored as fat in enlarged, and often more numerous fat cells, but some lipid may infiltrate other organs such as the liver (ectopic fat). The enlarged fat cells and ectopic fat produce and secrete a variety of metabolic, hormonal and inflammatory products that produce damage in organs such as the arteries, heart, liver, muscle and pancreas. The magnitude of the obesity and its adverse effects in individuals may relate to the virulence or toxicity of the environment and its interaction with the host. Thus, obesity fits the epidemiological model of a disease process except that the toxic or pathological agent is food rather than a microbe. Reversing obesity will prevent most of its detrimental effects.

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Crossref · 10.1111/obr.12551

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  • The causes of obesity are multifactorial and incompletely understood.

    “The causes of obesity are multifactorial and incompletely understood.2,5,80”

    From Definition and diagnostic criteria of clinical obesity (2025) · cites this paper as [5]

    The agent and Genetic factors sections describe multiple environmental and genetic contributors to obesity, supporting ‘multifactorial.’ Our copy does not say that obesity’s causes are incompletely understood, so that part of the claim is not supported. (LLM, conf=0.82)

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  • The obesogenic environment continues to fuel the obesity pandemic on a population level in the USA and other nations.

    “the obesogenic environment that continues to fuel this pandemic on a population level in the USA and other nations [121]”

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Cites

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1 of the 91 references couldn’t be matched to a known paper.

Research works printed but not linked: 5

  1. [8]8. JASSO. Examination committee of criteria for 'obesity disease' in Japan; Japan Society for the Study of Obesity. New criteria for 'obesity disease' in Japan. Circ J 2002; 66: 987-992.
  2. [13]13. Nagoya Declaration 2015. The 8th Asia-Oceania Conference on Obesity (AOCO 2015). http://www.jasso.or.jp/data/data/pdf/ nagoya2015.pdf
  3. [30]30. Bray GA, Fruhbeck G, Ryan DH, Wilding JPH. Management of Obesity. Lancet 2016; 388: 759-760.
  4. [50]50. Putnam JJ, Allshouse JE. Food consumption, prices, and expenditures, 1970-1997. USDA Food and Agriculture Economic Division. Economic Research Service Bull 1999; 965: 1-155.
  5. [51]51. Scully T. New insights for obesity biology. Nature 2015; 518: 197-206.

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Authors
Bray, G. A., Kim, K. K., Wilding, J. P. H., & on behalf of the World Obesity Federation
Affiliations
  • Pennington Biomedical Research Center (US)
  • National University of Korea Seoul Korea
  • University of Liverpool (GB)
Corresponding author
Bray, G.A.
Venue
Obesity Reviews
Publisher
Wiley
Published
2017-05-10
Volume
18
Issue
7
Pages
715-723
ISSN
  • 1467-7881 (ISSN-L)
  • 1467-789X
OpenAlex
W2612234120
Cited by
1,612
References
91
Citations by year
2026: 210 · 2025: 242 · 2024: 243 · 2023: 217 · 2022: 191 · 2021: 202 · 2020: 135 · 2019: 107 · 2018: 48 · 2017: 15 · 2013: 1
FWCI
78.21
Type
journal article
Language
en
Open access
Locations
  • Obesity Reviews (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Obesity, Physical Activity, Diet
  • Health Sciences › Health Professions › Pharmacy › Obesity and Health Practices
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
Keywords
obesity, chronic relapsing disease, disease models, energy balance, energy-dense foods, sugar-sweetened beverages, physical inactivity, genetic susceptibility, adipose tissue, ectopic fat, liver fat, metabolic inflammation, host-environment interactions, obesity reversal
MeSH terms
Chronic Disease, Diet, Dietary Carbohydrates, Dietary Fats, Environment, Food, Humans, Obesity, Recurrence, Weight Gain, Exercise

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