Wealth and health divide: Obesity rates plateau in rich nations but surge in developing world

MedicalXpress | mai 17, 2026

Obesity has long been the invisible health crisis looming over humanity, with rates climbing globally. There is some positive news now emerging from a multi-decade study spanning several nations. A recent study published in Nature by the Non-Communicable Disease Risk Factor Collaboration (NCD-RisC), a global network of health scientists, analyzed obesity-related data from 232 million people aged 5 years or older, spanning 45 years.