In August, 2016, the Global Body-Mass Index (BMI) Mortality Collaboration1 published their work on BMI as a predictor of all-cause mortality. The investigators pooled individual participant data from 239 prospective studies, with none originating from Latin America or Africa.1 About two years ago, the Global Burden of Metabolic Risk Factors for Chronic Diseases Collaboration2 investigated the metabolic mediators of the effect of BMI on cardiovascular diseases using individual participant data from 97 prospective cohorts, including one cohort from Latin America. Despite these low numbers for Latin America and Africa, the NCD Risk Factors Collaboration3 reported the trend in adult BMI between 1975 and 2014 pooling individual participant data from 1698 population-based cross-sectional studies, including several from Latin America and Africa...