https://www.perfecthealthlesson.com/book⁠ Chapter # 3:  From Glory to Survival: The Missing Knowledge. As we continue on this journey, it becomes clearer why Duncan Armstrong’s Olympic-level physical achievements, despite their remarkable nature, didn’t protect him from a life-threatening cardiovascular event. It’s easy to assume that peak fitness in your youth can shield you from future health problems, but that’s simply not the case. Here, we arrive at one of the most important lessons in this audiobook—the missing knowledge that Duncan, and many others like him, didn’t have. It’s the knowledge that could have transformed his trajectory from a near-death experience to long-term health and vitality.