Celebrating World Obesity Day 2026

Elsevier empowers you with knowledge and valuable information to study, diagnose, and care for patients with obesity. On this World Obesity Day 2026, we present some of the cutting-edge research published in our journals.

Enjoy free access to these articles!

• Definition and diagnostic criteria of clinical obesity The Lancet Diabetes and Endocrinology

• Clinical characteristics, treatment patterns, and healthcare utilization among children, adolescents, and young adults with obesity in the United States Obesity Pillars

• A single centre retrospective study of the long-term real-world body weight responses to liraglutide or bariatric surgery in adolescents with obesity Obesity Medicine

• Management of Obesity in the Menopause Transition and Postmenopausal Period Surgery for Obesity and Relates Diseases

• ACTION Teens: Perceptions and attitudes towards obesity among adolescents living with obesity, caregivers and healthcare professionals in South Korea Obesity Research & Clinical Practice

• Semaglutide 2.4 mg in French people living with Class 3 obesity and comorbidities: Baseline characteristics and real-world safety data Diabates & Metabolism

• Assessment of vitamin D status in obese and non-obese patients: A case-control study Diabetes Epidemiology and Management

• Long-term weight loss outcomes in older adults treated with obesity pharmacotherapy Obesity Research & Clinical Practice

• Achieving BMI <25 kg/m2 was associated with reduced predicted risk of atherosclerotic cardiovascular disease in people with obesity or overweight on tirzepatide or placebo: a post hoc analysis of SURMOUNT-1, -3, and -CN eClinicalMedicine

• The Visceral Adiposity Index (VAI) as a Predictor for Metabolic Syndrome in a Sample of Older Adults with Obesity Nutrition

• The Effect of Three Daily Servings of Full-Fat Dairy for 12 Weeks on Body Weight, Body Composition, Energy Metabolism, Blood Lipids, and Dietary Intake of Adults with Overweight and Obesity The Journal of Nutrition

• Optimising obesity management: integrating continuous glucose monitoring with GLP-1 receptor agonists Diabetes Research and Clinical Practice

• A randomized controlled trial comparing a very low-calorie low-fat ketogenic diet with a standard hypocaloric diet in adults with class I obesity Obesity Medicine

• BMAL2 controls adipose tissue inflammation and metabolic adaptation during obesity Metabolism

• Global glucagon-like peptide-2 receptor activation linked to increased obesity risk in the UK Biobank Metabolism

• Improving obesity treatment through online motivational support in primary care Obesity Pillars

• American Association of Clinical Endocrinology Consensus Statement: Algorithm for the Evaluation and Treatment of Adults with Obesity/Adiposity-Based Chronic Disease – 2025 Update Endocrine Practice

• Comparing in-person to tele-exercise high-intensity interval training in adults with class II/III obesity AACE Endocrinology & Diabetes

• Adipose tissue-targeting nanomedicines for obesity pharmacotherapy Trends in Endocrinology & Metabolism

• From endorsement of the WHO Acceleration Plan to Stop Obesity to national implementation: countryprogress on health system preparedness to scale up a comprehensive obesity chronic care programme The Lancet Global Health