Body-Mass Index and Cause-Specific Mortality in 900,000 Adults: Collaborative Analyses of 57 Prospective Studies

This 2009 meta-analysis by the Prospective Studies Collaboration pooled data from 57 prospective studies involving 894,576 adults, primarily from Western Europe and North America. The study investigated the relationship between body mass index (BMI) and cause-specific mortality. Findings indicated that the lowest mortality risk was observed in individuals with a