Summary In this episode of the Docs Who Live podcast, Dr. Spencer Nadolsky and Dr. Karl Ndolsky Jr. engage with Dr. Jackie Yao and Dr. Michael Blaha from Johns Hopkins to discuss a recent study on obesity. They explore the definitions of clinical and anthropometric obesity, the challenges in classifying obesity, and the implications of the Lancet Commission's criteria. The conversation delves into the nuances of metabolic health, the importance of data sources, and future research directions in understanding obesity and its related health risks.