This episode examines the anthropometric component of the 2025 ACE consensus on obesity, emphasizing the role of BMI as a screening tool rather than a diagnostic endpoint. It outlines population specific BMI thresholds, the clinical need for assessing abdominal adiposity, and the importance of standardized waist circumference and waist to height ratio measurements in evaluating cardiometabolic risk. The discussion reinforces why body fat distribution, rather than total body weight, drives disease risk and explains when body composition testing is indicated to clarify clinical ambiguity. The episode situates these measurements within the broader ACE framework for adiposity based chronic disease (ABCD), supporting more accurate risk stratification and individualized management.