
Obesity, defined as BMI greater than 30 kg/m², affects over one billion people globally and drives a substantial proportion of type 2 diabetes, cardiovascular disease, and certain cancers. GLP-1 receptor agonists, particularly semaglutide and tirzepatide, have achieved unprecedented weight loss efficacy, fundamentally reshaping the treatment paradigm. Long-term outcomes, equitable access, and managing the anticipated treatment demand are the defining challenges ahead.
