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