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A major update to how obesity is defined could push U.S. obesity rates to nearly 70%, according to a large new study, by adding waist and body fat measurements to BMI.
The change aims to capture individuals who were previously considered healthy but are now misclassified due to the limitations of Body Mass Index (BMI). This study's findings suggest that adding alternative measures may provide a more accurate representation of obesity prevalence. The researchers emphasize that the new definition does not imply that waist and body fat measurements are superior to BMI, but rather complements it by accounting for body composition. However, the authors acknowledge that implementing this revised definition in clinical practice will require adjustments in data collection and analysis procedures. Furthermore, the study highlights the need for continued research into the relationship between body fat distribution and health outcomes, as the newly included individuals may still face varying levels of risk for chronic diseases. By updating the obesity definition, the researchers hope to reduce disparities in health outcomes and improve public health initiatives targeting this population.