The World Health Organization Dec 2 2025 To address the growing global health challenge of obesity, which affects more than 1 billion people, the World Health Organization (WHO) has released its first guideline on the use of Glucagon-Like Peptide-1 (GLP-1) therapies for treating obesity as a chronic, relapsing disease. Obesity affects people in every country and was associated with 3.7 million deaths worldwide in 2024. Without decisive action, the number of people with obesity is projected to