Bulletproof Radio

Heart rate variability isn’t just a fitness metric, it’s the master signal of human performance, emotional regulation, and longevity. This episode reveals how you can use HRV to hack your nervous system, regulate stress in real time, and build true resilience from the inside out. Watch this episode on YouTube for the full video experience: https://www.youtube.com/@DaveAspreyBPR Host Dave Asprey sits down with Rollin McCraty, Ph.D., Director of Research at the HeartMath Institute and a leading psychophysiologist exploring how the heart, brain and human consciousness are interconnected. For more than three decades his pioneering research into heart-brain communication and geomagnetic field interactions has supported the development of HRV/coherence-training tools and coherence biofeedback technology. His work has been featured in documentaries such as I Am, The Power of the Heart and The Living Matrix. Together, Dave and Dr. McCraty uncover how heart-brain coherence can i