This podcast episode explores the importance of prioritizing healthspan over lifespan and the need for a more holistic and patient-centered approach to healthcare. Dr. Peter Attia, the guest speaker, discusses his personal journey from being a medical doctor to a consultant, driven by a desire to address chronic diseases and improve health outcomes. He emphasizes the critical role of knowledge and time in taking control of longevity and improving healthspan, with knowledge being freely accessible through podcasts and other resources. The episode covers various topics such as alternative medicine, the challenges of balancing long-term goals with immediate gratification, the major causes of death in modern society, the complexity of calorie counting, the connection between mental and physical health, addiction, stress management, and the significance of spirituality. The guest also reflects on psychedelic experiences, the nature of the universe, and the lessons from his book "Outlive: The Science and Art of Longevity". The episode concludes with discussions on meat consumption, healthy eating habits, and the accessibility of health information through podcasts and programs like Early Medical.