This podcast episode explores the importance of lab tests in assessing overall health and longevity. Peter Attia discusses his unique perspective on lab ranges and emphasizes the need to understand what labs can and cannot inform. He shares real-world cases to illustrate his approach to labs and decision making, highlighting the difference between normal and optimal results. The episode also discusses the role of lab testing in understanding longevity and promoting resilience in the pursuit of a longer, healthier life. Furthermore, the speaker emphasizes the importance of delaying the onset of chronic diseases rather than focusing solely on treating them. The healthcare system's focus on sick care rather than preventive care hinders progress in managing chronic diseases, and a shift in mindset is needed to prioritize delaying disease. Overall, this episode provides valuable insights on how lab tests can inform decision making and promote longevity.