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Obesity Facts

Obesity Facts is a multi-disciplinary, peer-reviewed open access journal dedicated to all aspects of obesity, its comorbidities, and related disease processes, including basic science and physiology underlying adiposity, treatment and management of obesity, epidemiology, public health, sociocultural and socioeconomic factors, and public health policy and environmental concerns related to obesity prevention and management. The journal publishes original research, reviews, case reports, guidelines, methods articles, brief reports, and letters.

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Subject Endocrinology & Metabolism, Nutrition & Dietetics
Impact Factor 4.7
Quartile Q1
Open Access Type Hybrid
ISSN 1662-4025
eISSN 1662-4033
Invitation Only No
Cost Range Article Processing Charges (APCs) are paid by an institution, research funder or author; waivers and discounts are available for authors without means.

Submission Instructions

Obesity Facts accepts the following article types. Click on an article type to view submission instructions.

Original Research

Cover Letter A cover letter is required. Cover letter must describe the knowledge gap addressed, discuss the research significance and implications, explain fit with the journal scope, emphasize the manuscript’s unique contribution, and name any special issue or article collection invitation where applicable.
Abstract An abstract is required. Abstract must be unstructured and presented in a single paragraph.
Manuscript Original Research manuscripts must include a Methods section with sufficient detail to allow replication and a statements section placed after the main text and before the references. Manuscript must include 3 to 5 keywords on the title page, a statements section, Funding Sources, Author Contributions, and a clear declaration of any generative AI use in the Methods or Acknowledgements section as applicable.
References References must be cited sequentially in the text using Arabic numerals in square brackets and listed numerically in citation order with up to 6 authors before adding et al.
Figures & Tables Tables and figures must be submitted as separate files, with one file per figure, while figure legends belong at the end of the manuscript text. Table headers must appear in the table file, and figures associated with articles requiring an abstract must also include a graphical abstract submitted as a single separate image.
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Review Article

Cover Letter A cover letter is required. Cover letter must describe the knowledge gap addressed, discuss the manuscript’s implications and significance, explain its fit with the journal’s scope, emphasize its unique contribution, and, if applicable, name the special issue or article collection and who invited the submission.
Abstract An abstract is required. Abstract must be structured. Abstract must use the headings Background, Summary, and Key Messages.
Manuscript Review Articles are typically 5000 words in length. Review Articles must include a critical discussion of the reported data and a clear conclusion with potential impacts on the standard of care. Manuscript must include a statements section before the references, 3–5 keywords, Funding Sources, an Author Contributions statement, and a declaration of any generative AI use in the Methods or Acknowledgements section as applicable.
References References must be cited sequentially in square brackets and listed numerically in citation order, with up to 6 authors named before adding “et al.”
Figures & Tables Review Articles typically include 4 to 8 tables and figures. Tables and figures must be submitted as separate files, with one file per figure and figure legends placed at the end of the manuscript text.
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Research Article

Cover Letter A cover letter is required. Cover letter must describe the knowledge gap addressed, discuss the research implications and significance, explain fit with the journal scope, emphasize the manuscript’s unique contribution, and name any special issue or collection and invitation if applicable.
Abstract A short abstract is required. Abstract must be unstructured in a single paragraph.
Manuscript Research Articles are typically 5000 words in length. Manuscript must include the sections Introduction, Methods, Results, and Discussion. Manuscript must include 3–5 keywords and a statements section after the main body and before the references, and any use of generative AI must be declared in the Methods or Acknowledgements section.
References References must be cited sequentially in the text using Arabic numerals in square brackets and listed numerically in citation order with only cited publications included, listing up to 6 authors before adding “et al.”.
Figures & Tables Research Articles typically include 4 to 8 tables and figures. Figures and tables must be uploaded as separate items in their original file format, with figure legends placed at the end of the manuscript text. Figures must be cited as “Figure” in text or “Fig.” in round brackets, and figure legends must use the format “Fig. 1.”.
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Systematic Review

Cover Letter A cover letter is required. The cover letter must describe the knowledge gap addressed, explain the manuscript’s implications and significance, show how it fits the journal’s scope, emphasize its unique contribution, and name any special issue or article collection and inviter if applicable.
Abstract A short abstract is required. The abstract must be structured. The abstract must use the headings Introduction, Methods, Results, and Conclusion.
Manuscript Systematic Reviews are typically 5000 words in length. The manuscript must follow the Introduction, Methods, Results, Discussion format. The manuscript must include 3–5 keywords and a statements section after the main text and before the references, and any use of generative AI must be declared in the Methods or Acknowledgements.
References References must be cited sequentially in the text using Arabic numerals in square brackets, and the reference list must include only cited publications arranged numerically in citation order with up to 6 authors listed before “et al.”
Figures & Tables Systematic Reviews typically include 4 to 8 tables and figures. Figures and tables must be uploaded as separate items in their original file format, with figure legends placed at the end of the manuscript text. A flow chart must be included either in the manuscript or as online supplementary material.
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Case Report

Cover Letter A cover letter is required. Cover letter must describe the knowledge gap addressed, discuss the manuscript’s implications and significance, outline its fit with the journal’s scope, emphasize its unique contribution, and name any special issue or collection and inviter if applicable.
Abstract A short abstract is required. Abstract must be structured. Abstract must use the headings Introduction, Case Presentation(s), and Conclusion and must not include bibliographic references or references to figures or tables.
Manuscript Case Reports are typically 2500 words in length. Manuscript must include Introduction, Case Report/Case Presentation, and Discussion sections, and it must include a substantive relevant literature review with an up-to-date review of previous relevant cases. Manuscript must include 3–5 keywords and, after the main text and before the references, the sections Statement of Ethics, Conflict of Interest Statement, Funding Sources, Author Contributions, and Data Availability Statement, with any generative AI use declared in the Methods or Acknowledgements as applicable.
References References must be cited sequentially in the text using Arabic numerals in square brackets and listed numerically in citation order with only cited publications included, listing up to 6 authors before “et al.”.
Figures & Tables Case Reports allow up to 3 tables and figures. Figures and tables must be uploaded as separate items/files in their original file format, with figure legends included at the end of the manuscript text. Figures must be cited as “Figure” in text or “Fig.” in round brackets, and figure legends must use “Fig.” followed by the number after a full stop and a space.
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Guidelines

Cover Letter A cover letter is required. Cover letter must describe the knowledge gap addressed, discuss the manuscript’s implications and significance, explain its fit with the journal’s scope, emphasize its unique contributions, and name any special issue or article collection and inviter where applicable.
Abstract An abstract is required. Abstract must be unstructured and presented in a single paragraph.
Manuscript Guidelines are typically 5000 words in length. Guidelines should describe the clinical problem addressed, explain how the statement was generated, review the supporting evidence, and include the practice statement itself. Manuscript must include a statements section before the references, provide 3 to 5 keywords, and declare any use of generative AI in the Methods or Acknowledgements section as applicable.
References References must be cited sequentially using Arabic numerals in square brackets and listed numerically in citation order. Reference list must include only cited works, list up to 6 authors followed by et al. if more than 6, and present authors as surnames followed by initials without punctuation other than commas between authors.
Figures & Tables Guidelines allow up to 3 tables and figures. Tables and figures must be submitted as separate files, with figure legends placed at the end of the manuscript text.
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Brief Report

Cover Letter A cover letter is required. The cover letter must describe the knowledge gap addressed, explain the research implications and significance, show how the manuscript fits the journal scope, emphasize the manuscript’s unique contribution, and name any special issue or collection and invitation if applicable.
Abstract A short abstract is required. The abstract must be structured. The abstract must use the headings Introduction, Methods, Results, and Conclusion.
Manuscript Brief Reports are typically 3000 words in length. Brief Reports should follow the same structure as full-length research articles. The manuscript must include 3–5 keywords and, after the main body and before the references, the sections Statement of Ethics, Conflict of Interest Statement, Funding Sources, Author Contributions, and Data Availability Statement, with an Acknowledgement section optional, and any generative AI use must be declared in Methods or Acknowledgements as applicable.
References Citations must appear sequentially as Arabic numerals in square brackets, and the reference list must include only cited publications arranged numerically in citation order with up to 6 authors listed before using “et al.”.
Figures & Tables Brief Reports allow up to 3 tables and figures. Figures and tables must be uploaded as separate items in their original file format, with figure legends included at the end of the manuscript text. Figures must be cited in the text as “Figure” outside parentheses and as “Fig.” plus the number in round brackets, and figure legends must use the format “Fig. 1.” or “Fig. 1. a”.
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Letter

Cover Letter Cover letter is required and must describe the knowledge gap addressed, discuss the research significance and implications, and explain the manuscript's fit and unique contribution to the journal scope. Cover letter must describe the knowledge gap addressed, discuss the implications and significance of the research, explain how the manuscript fits the journal scope, emphasize its unique contribution, and name any special issue or article collection invitation if applicable.
Abstract Abstract is required. Abstract must be unstructured and presented as a single paragraph.
Manuscript Letters are typically 1000 words in length. Letters should not include original data. Manuscript must include a statements section before the references, provide 3–5 keywords, and declare any generative AI use in the Methods or Acknowledgements section as applicable.
References References must be cited sequentially in square brackets and listed numerically in citation order, with up to 6 authors named before using et al. for additional authors.
Figures & Tables Letters may include up to 3 tables and figures in total. Tables and figures must be submitted as separate files, with figure legends placed at the end of the manuscript text. Table headers must appear in the table file, and each figure must be uploaded as a single file including all panels.
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Recent Publications

Sleep Disordered Breathing and Decreased Bone Mineral Density: Masking Effects of Body Mass Index

Wiaam Y. Elkhatib, Virend K. Somers, Prachi Singh, Jan Bukartyk, Joshua M. Bock, Sreeja Sompalli, Soumya Vungarala, Alexandria B. Danyluk, Abel Romero-Corral, Naima Covassin

10.1159/000552188
View Publication

33rd European Congress on Obesity (ECO 2026) - Preliminary Pages

Euan Woodward

10.1159/000551829
View Publication

Endotypic trait responses to 12-month tirzepatide treatment for an obese patient with obstructive sleep apnea: a case report

Yen Hsu, Wan-Ju Cheng, Eysteinn Finnsson, Jón S. Ágústsson, Liang-Wen Hang

10.1159/000553125
View Publication

Targeting Inflammation in Obesity and the Cardiovascular–Kidney–Metabolic (CKM) Syndrome Spectrum: A Narrative Review

Afsaneh Noormandi, Heiko Bugger, Faisal Aziz, Zvonko Milicevic, Dirk von Lewinski, Bernhard Ludvik, Verena Parzer, Andreas Zirlik, Thomas R. Pieber, Hans Peter Dimai, Harald Sourij

10.1159/000553324
View Publication

Erratum

-

10.1159/000552929
View Publication

Frequently asked questions

How long does it take to publish?

Accepted papers are published online in the unedited original manuscript version within a few days of acceptance. Proofs should be checked and returned within 48 hours. Articles are published electronically ahead of print shortly after author approval to publish.

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Is a cover letter required?

A cover letter is required and should describe the gap in knowledge addressed by the manuscript, the implications and significance of the research, how the manuscript fits the journal scope, and the manuscript’s unique and important contributions. Special issue or article collection submissions should name the collection and identify any invitation where applicable.

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What are the publication costs?

Article Processing Charges (APCs) are paid by an institution, research funder or author; waivers and discounts are available for authors without means.

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Research Topics

Bariatric Surgery and Outcomes Obesity, Physical Activity, Diet Obesity and Health Practices Diverse Scientific and Economic Studies Eating Disorders and Behaviors Diet and metabolism studies Adipokines, Inflammation, and Metabolic Diseases Human auditory perception and evaluation Diabetes, Cardiovascular Risks, and Lipoproteins Regulation of Appetite and Obesity Nutritional Studies and Diet Cardiovascular Disease and Adiposity Adipose Tissue and Metabolism Nutrition and Health in Aging Educational Robotics and Engineering Pharmacology and Obesity Treatment Cardiovascular Function and Risk Factors Physical Activity and Health Gestational Diabetes Research and Management Body Contouring and Surgery Body Composition Measurement Techniques Birth, Development, and Health Legal case studies and regulations Liver Disease Diagnosis and Treatment Genetic Associations and Epidemiology

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