Dr. Torkil Færø, a Norwegian general practitioner and author of “The Pulse Cure,” details how heart rate variability (HRV) can be a critical indicator of health, stress management, and longevity. Dr. Færø explains the science behind HRV, its practical applications using modern wearable devices like the Garmin watch, Apple watch, Oura ring, and Whoop band. He shares insights on how lifestyle choices, diet, sleep, and even cold therapy can influence HRV. The episode highlights the importance of HRV in both general health and medical practice, suggesting it may become a standard part of health assessments in the future.