Harvard Bell Fellow Fahad Razak, MD, Pop Center faculty member S V Subramanian (Subu), PhD, and Pop Center doctoral student Aditi Krishna are authors of a study in The American Journal of Clinical Nutrition that explores population-level changes in the BMI distribution over time, looking carefully at inequalities in weight gain between groups vs. within groups (interindividual). The findings suggest that future research should focus on understanding factors driving inequalities…