THE JOURNAL OF THE OBESITY SOCIETY
The Obesity Journal
About The Obesity Journal
The Obesity Journal is the flagship, peer‑reviewed journal of The Obesity Society (TOS), providing groundbreaking scientific research and leading commentary in the rapidly evolving field of obesity science. Available in both print and online formats, the Obesity Journal publishes vital studies across clinical research, biology, integrated physiology, pediatrics, epidemiology, and genetics.
Obesity Journal Impact Factor Rises to 4.9
The Obesity Society is pleased to announce that Obesity’s 2025 Journal Impact Factor has increased to 4.9. This achievement reflects the high quality of research published in the journal and the dedication of its editors, reviewers, authors, and contributors.
We thank our editorial team and the broader obesity research community for their continued commitment to advancing the field. We look forward to building on this success and continuing to publish impactful science that drives progress in obesity research and care.
Accessing the Obesity Journal
For TOS Members
Members receive full online access to the Obesity Journal.
Log in anytime using the “Access Obesity” link on the TOS homepage.
Note: Student and Early Career members do not automatically receive access. Online and/or print access is available for an additional fee—see the TOS membership page for details.
For Non‑Members
- Access to abstracts for all articles
- Free full-text access to articles older than 4 years
Login Support
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Affiliated Journals
As a TOS member, you automatically receive membership in the World Obesity Federation (WOF). We are proud to partner with WOF by co-publishing the open-access journal Obesity Science & Practice and by providing access to and discounted subscriptions for other noteworthy journals published by the Federation.
To receive a discounted journal subscription as a WOF member, visit WOF Journals and follow one of the “subscribe as a member” links.
Co-published by TOS and World Obesity, Obesity Science & Practice is a rigorously peer-reviewed, online-only journal. It offers immediate open access to high-quality research that:
- Discusses new medical, behavioral, dietary, pharmalogic and surgical approaches to obesity treatment
- Publishes research papers designed to engage both healthcare professionals and other individuals
Obesity Reviews is a highly-cited journal that publishes reviews from many obesity-related disciplines. The journal organizes “for-and-against” reviews on current controversial topics. Articles are of particular interest to endocrinologists, cardiologists, gastroenterologists, obstetricians and rheumatologists, as well as health professionals working in general medicine and surgery.
This international peer-reviewed journal publishes high-quality translational and clinical research papers. Clinical Obesity also features reviews focused on obesity and its comorbidities.
Pediatric Obesity is a leading journal presenting high-quality papers that contain the latest research on obesity during childhood and adolescence. Topics include:
- Genetic, molecular, biochemical and physiological aspects of obesity—basic, applied and clinical studies
- Metabolic consequences of child and adolescent obesity
- Epidemiological and public health-related studies of child and adolescent overweight and obesity
- Clinical management of children and adolescents who have overweight or obesity
- Comorbidities linked to child and adolescent obesity—mechanisms, assessment and treatment
- Life-cycle factors (e.g., familial, intrauterine and developmental aspects of child and adolescent obesity)
- Nutrition security and the “double burden” of obesity and malnutrition
- Health promotion strategies around the issues of obesity, nutrition, and physical activity in children and adolescents